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Vaillant Turbomax Plus F24. Single Wire NTC. Boiler Repair And Training. Heating Geek. 

HeatingGeek
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Got a Vaillant Turbomax Plus that you cant fix? Watch this video and learn one of the hardest faults I ever came across and the weird way to fix it!!! See my tools down bellow.
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24 июл 2024

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Комментарии : 275   
@mrjamin2008
@mrjamin2008 3 месяца назад
@HeatingGeek OMG thank you sooooo much for this video - been battling this problem for ages and after watching your video I have solved it in 10mins! No more showers going cold! Thank you from the bottom of my heart for taking the time to post this! Your have made me and my family’s day 😊
@HeatingGeek
@HeatingGeek 3 месяца назад
Glad it helped! It took me a lot of effort to find this issue. Crazy that a little thing like this can cause sooooo many problems. ;-)
@yensabi
@yensabi 5 лет назад
Top end diagnostics yet again HG........your going to save a lot of engineers a lot of time and frustration with this gem.....👍👍👍 Cheers mate
@HeatingGeek
@HeatingGeek 5 лет назад
Its such a weird issue. One day it will save someone a lot of money!!
@wileecoyote5749
@wileecoyote5749 3 года назад
*you're
@normanboyes4983
@normanboyes4983 3 года назад
Good demonstration of persisting with a logic based approach to fault finding. Oftentimes we are seduced into relying on ‘matching likely solutions’ based on experience and/or progressing through the easiest (shortest time) potential solution to the most difficult (longest time) potential solution until we stumble upon success.
@johnalderweild6442
@johnalderweild6442 5 лет назад
Just woke up first thing I'm watching once again you never fail to amaze. Great video just shows no substitute for experience.
@HeatingGeek
@HeatingGeek 5 лет назад
And stubbornness! I wasn't going to be beaten again.
@fvnieuwe
@fvnieuwe 2 года назад
Had a similar issue on my Vaillant ecomax. Lucky me I found this video before I tried anything else. Saved my day!
@johnmcgiv1
@johnmcgiv1 4 года назад
First class mate brilliant patience and excellent diagnosis well done and thank you very much for sharing your experiences. I am retired now but enjoy the videos.
@HeatingGeek
@HeatingGeek 4 года назад
Glad you like them. They have taken a bit of a back seat at the moment. Back to it soon.
@johnnysingh418
@johnnysingh418 5 лет назад
This is priceless information " was called to one with f54+f24 only two weeks" it had a new PCB+ pump ' fitted but on this occasion it was just blocked plate to plate. As always keep the knowledge coming 😁
@HeatingGeek
@HeatingGeek 5 лет назад
Usually its heat related. But if the display is playing up be aware.
@johnboddington
@johnboddington 5 лет назад
I'm a breakdown engineer too. This is a fantastic bit of fault finding using theory, logic and experience. Thankyou for all your videos. Looking forward to heat exchanger results on your own boiler. John
@HeatingGeek
@HeatingGeek 5 лет назад
My own boiler might be done. Its on test at the min. Had some unexpected failures while filming it!!
@woodbine66
@woodbine66 5 лет назад
Thanks, HG. quality as usual. That looks like a tough one, but the way you explain, it makes sense. Have one of these amazing Turbo Pluses. Almost 15 years old and runs like new - touch wood. Will be ready for that fault if and when it rears it's head.
@thpxs0554
@thpxs0554 5 лет назад
You are an excellent fault finder. That was inspired thinking to realise that. You have to know how something works in detail in order to work out where the failure occurs. It’s a treat to watch a proper engineer work logically to a conclusion . In telecoms we call that fault and intermittent HR dis ( high resistance disconnection ) causes noise, faint speech, adsl errors, one way transmission, ring tripping.
@HeatingGeek
@HeatingGeek 5 лет назад
Its a strange set up and works really well most of the time. Its only now they are getting older this crops up. Them little fiddly wires used in telecoms are a pain and look very frustrating to work with. :-)
@B1cam
@B1cam 4 года назад
Crazy. I’ve never had to change the NTC on this boiler, and in fact if called to this fault would even argue that they never fail and blame the PCB if no circulation problems. Thanks for uploading what a legend.
@HeatingGeek
@HeatingGeek 4 года назад
I will get this uploaded on another boiler when I have more time. This isn't the best video but this is a brilliant fault.
@rayc1503
@rayc1503 5 лет назад
Olli you legend, brill bit of fault finding. Thank me lucky stars I haven't encountered this problem on a vaillant. But if I do, I'll know where to look. Thanks to you 😊
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks. Its one of them ones. :-)
@fernandomartins7261
@fernandomartins7261 5 лет назад
Thanks for sharing this weird but logical fault. That is why when an issue like that comes up theoretical knowledge and analysis are of paramount importance. The first book that I read about refrigeration and Ac on one of its passages the author said the following " when you have a broken refrigerator to fix instead of starting to disassemble it and make lots of work for yourself sit down and think about why the machine isn't doing what is supposed to.
@HeatingGeek
@HeatingGeek 5 лет назад
That is very very true. I replaced the PCB based on someones else's diagnosis when I knew better.
@jeeperscreepers786
@jeeperscreepers786 Год назад
Great Gas Safe Boiler Analysis. Well done!
@valentinmirauta7059
@valentinmirauta7059 2 года назад
Very good tips, save time and money All the best with your work and videos Thanks
@baitrunner1000
@baitrunner1000 5 лет назад
Wooow.. that was pretty epic mate. Legendary
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks. I was difficult to find first time around. :-)
@dereksewkumar07
@dereksewkumar07 4 года назад
"A big ,big thank you! .. we've got the turbo-max .. This video needs to be sent to the home serve guys . .(NTC) worn earth-wire .. Thanks so much for this Boss-man .. we are disabled customers and this problem has been running for 3yrs plus ..And your the only one we've seen come up with the correct answer!! .. well done .. d🤕
@HeatingGeek
@HeatingGeek 4 года назад
That's why I put it up here. Where are you? This was a Homeserve job. :-)
@dereksewkumar07
@dereksewkumar07 4 года назад
@@HeatingGeek .." Just to ask H.G. if you contract for homesever Sir?? "Name is del..
@HeatingGeek
@HeatingGeek 4 года назад
@@dereksewkumar07 I did. Not any more. :-)
@markplumber3635
@markplumber3635 5 лет назад
Excellent work , excellent video , excellent engineer !
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks. :-) Im glad I got this on film. Not very common
@drpipe
@drpipe 5 лет назад
Nice feeling when you go ..."man vs machine" and win ! Nice work.
@HeatingGeek
@HeatingGeek 5 лет назад
This was defiantly one of them jobs. :-)
@gannas2322
@gannas2322 5 лет назад
Legend! Invaluable information you’re giving. Fair play, am going through every one of your videos thanks
@HeatingGeek
@HeatingGeek 5 лет назад
I have give most of the tricks I use up. Still got a few to film but im running out!!!!! :-)
@gannas2322
@gannas2322 5 лет назад
HeatingGeek On Glowworm and Vaillants, Co2 high and low settings are fine 9.2 and ratio is well below 0.004 but some I come across, the boiler resonates As the boiler modulates down, is there something I’m missing?
@HeatingGeek
@HeatingGeek 5 лет назад
@@gannas2322 If its on the glowworm Flexicom then no. They are a bit temperamental and need some finessing. What boilers were you having the issue with?
@gannas2322
@gannas2322 5 лет назад
HeatingGeek yea Flexicom 30sx
@HeatingGeek
@HeatingGeek 5 лет назад
@@gannas2322 I could of guessed. Adjust the high as high as you can (within MI spec) and the low as low as you can (within MI specs). This usually sorts them.
@adrian38526
@adrian38526 5 лет назад
Brilliant keep them coming love the vids
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks. :-)
@user-li8gr8ur8l
@user-li8gr8ur8l 4 месяца назад
That is a weird but interesting one. Deffo one for heating geek. Thank you Ollie.❤
@HeatingGeek
@HeatingGeek 4 месяца назад
My pleasure! Proper weird one. :-)
@mangalsingh4036
@mangalsingh4036 5 лет назад
Love your videos. Keep them coming mate
@HeatingGeek
@HeatingGeek 5 лет назад
I have 2 to go up this and next week.
@tysonbruno
@tysonbruno 5 лет назад
Very clever man, thanks for the share, have i missed or still waiting for part 2 of your home boiler fix!
@HeatingGeek
@HeatingGeek 5 лет назад
Only done part 2 on Thursday. Much better but still might need part 3. I haven't even got the video loaded into the editor yet!!
@davidsilvester8965
@davidsilvester8965 4 года назад
Another great tip, in 35 years , I have not had this problem, but if I did , I’m pretty sure I would have diagnosed incorrectly. Thanks
@HeatingGeek
@HeatingGeek 4 года назад
It beat me once. Couldn't let it happen a second time. :-)
@pmcg_19_3occ3
@pmcg_19_3occ3 5 лет назад
Some fine Fault finding and use of logic and experience, Taking the game to the next level my friend🤜💥 Looking forward to seeing this Video of your own boiler!!
@HeatingGeek
@HeatingGeek 5 лет назад
There will be round three with my boiler. I will get it edited ASAP
@jsmid
@jsmid 5 лет назад
Yeah I'm waiting for that video too! :D I was going to ask what's happening with your boiler?
@HeatingGeek
@HeatingGeek 5 лет назад
@@jsmid Im going to start editing it tonight!
@burntre1
@burntre1 5 лет назад
Awesome tip mate! Thanks for sharing, that sort of fault would cause major headache/earache!
@HeatingGeek
@HeatingGeek 5 лет назад
It does. I was so frustrated on the first one I came across.
@dominichalliday8929
@dominichalliday8929 5 лет назад
Truly marvellous, many thanks for sharing!
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks. :-)
@irfandenli5976
@irfandenli5976 2 года назад
Thanks for sharing this mate .
@12subzer0
@12subzer0 5 лет назад
Great content always 👍🏻
@k20aa
@k20aa 5 лет назад
Superb work as normal
@jamesburns8591
@jamesburns8591 5 лет назад
Quality “you couldn’t even make it up lol” Thanks for sharing this 👍
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks. :-) I wasn't sure I should!!!
@jamesburns8591
@jamesburns8591 5 лет назад
Giving the game away mate lol....... Won’t find this in any manual or tech line but knowing what you do makes sense as it’s single wire ntc .
@Ryan_DYD
@Ryan_DYD 2 года назад
Update: I replied 1yr ago that your fix appeared to help our issue, and indeed for a year or so its been fine. However a few weeks ago, same S.54 and the random F.24. (S.54s started to come daily) I re-did the extra earth connection but still happened. But, when working boiler was fine. Taking this "cause" to the next level, I replaced both NTCs pre and post HE (ebay £9 for 2x genuine!) but wrapped an earth cable around so it was compressed on the final turn (I tried soldering to side, but solder didn't bind). I then took the ECU earth off the boiler chassis and joined directly to my 2x NTC earth cables in a wago 5-way, then another cable back the boiler chassis. Theory being, a good/known/clean/common earth between both NTCs and the ECU. Since, **ZERO** trips! Maybe new NTCs not needed, but thought as I had to remove them anyway I'd swap them out. No idea if there was a faulty one, or intermittent fault, but for £9 - why not. So it appears you were on to something, so thanks again, and perhaps "my" fix is the final step if it keeps happening!
@HeatingGeek
@HeatingGeek 2 года назад
That could be the fix. I would of assumed the issue would have been the PCB after the usual earth trick didn't work. :-)
@Razz60
@Razz60 5 лет назад
Excellent vid mate very helpful info thanks
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks:-)
@garycormack952
@garycormack952 4 года назад
Recently had this issue.. untill i saw this video. Put in a cable from below the ntc on the pipework to the chassis.. spot on fixed it.. thank you.. i removed it and used my meter to measure the resistance between the pipework and the casing and it was really bad. They should stop designing electrical components that use the pipework as ground as all copper over time especially copper that gets hot and where oxidation is more common eventually looses conductivity. Great find mate.
@HeatingGeek
@HeatingGeek 4 года назад
Im so glad you had this issue. So many people look at me like I'm mad when I mention this. :-)
@garycormack952
@garycormack952 4 года назад
@@HeatingGeek it does make sense from an electrical point of view. Brilliant find to begin with mate. 👌👌
@djsmokinj
@djsmokinj 4 месяца назад
Would this be the same on a f22 fault?...Had this and is it resets and works.its happened about three times randomly over the last month. An engineer has replaced the ntc's and board.
@leaturk11
@leaturk11 3 года назад
This is one I've not come across, well done sir, noted.
@HeatingGeek
@HeatingGeek 3 года назад
Thank you kindly! :-)
@jameseastman4393
@jameseastman4393 4 месяца назад
About to attend my own F24 lol. Thanks for the video!
@HeatingGeek
@HeatingGeek 4 месяца назад
Good luck. :-) I hope it goes well.
@zokky7
@zokky7 2 года назад
thx we just fixed our VUI oxidation at the junction 👍
@mike004692
@mike004692 4 года назад
Excellent Video , NTC bad Earth through the copper pipe, Keep up these great video's
@HeatingGeek
@HeatingGeek 4 года назад
Glad you like it. It's flat out at the min so can't do much. :-)
@paulrossiter9567
@paulrossiter9567 4 года назад
Bewildered as to why manufacturers designed this particular model with such a floor. ⭐️⭐️⭐️⭐️⭐️ nothing less than 5 of those for your skills man.
@HeatingGeek
@HeatingGeek 4 года назад
Thanks. This is the job I will remember for the rest of my life. :-)
@mrman3509
@mrman3509 5 лет назад
I'm very impressed... 👌
@HeatingGeek
@HeatingGeek 5 лет назад
Thats one of my personal triumphs. If anyone every pretends they know this I will call BS. :-) I wish the video was better, but you get the point. :-)
@waseemkhaliq933
@waseemkhaliq933 5 лет назад
Absolutely amazing I work mainly on the ecotec pro and plus range, and agree yes the fluctuating temp on the display is the pcb.your videos are very informative and I have learnt a lot.many thanks. Ps what is your name.
@HeatingGeek
@HeatingGeek 5 лет назад
Ollie, This issue has been a difficult one to fix for me and I will never forget the first one that done it to me.
@keithbrueton
@keithbrueton 5 лет назад
Great video again mate
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks. :-)
@ivanthegreat79
@ivanthegreat79 2 года назад
Hi Oliver. I came across with turbomax hot water running for 2-3 minutes then cod and I had replaced the heat plate and still a same problem. Should I look in to flow sensor? Would appreciate you advise. You're master in repairing
@therworld6875
@therworld6875 3 года назад
what should we use in this situation as u mentioned that you used temp fixed and used cable - what exactly we use as jump leeds ??
@Shteev91
@Shteev91 4 года назад
Experiencing similar symptoms with our Turbomax. It will turn the whole heating system off if the heating dial is turned to max, it only operates on about 75%. The strange thing however is that it also needs to be ON 24/7. It will not operate on TIMED mode and just comes up with the f.24 fault. Would this error be another symptom of that?
@piotrserafin9728
@piotrserafin9728 5 лет назад
Top video ! As always
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks. :-)
@moulesanctuary
@moulesanctuary 4 года назад
Absolute genius mate
@HeatingGeek
@HeatingGeek 4 года назад
did you have this issue??? :-)
@tazman467
@tazman467 2 года назад
Great video, I have similar fault with the very same boiler, yellow light is intermittent goes from hot to cold water. I have ordered a NTC sensor return and air pressure switch. I never thought an earth connection can sent hot water to cold in a matters of seconds. I will try your logic to.see if this works. Thanks again very well explained. Please let me me.know what you male of my fault
@Stillbusy105
@Stillbusy105 5 лет назад
Brilliant video & find, fault finding Gold 👍 any ideas how this would show itself on the older Vaillants (without fault code etc) like the old turbo max with green dials & black front?
@HeatingGeek
@HeatingGeek 5 лет назад
They don't seem to have the issue. There is a lot more metal for earthing in the older boilers I think.
@SolisNotSolis
@SolisNotSolis 3 года назад
Top quality find. You could use a pipe bonding clamp - and a length of lead with a ring terminal on each end. Total cost perhaps 2 quid - rather than your selection of gems from the scrap bucket.
@HeatingGeek
@HeatingGeek 3 года назад
:-) Its all I had :-)
@christait5714
@christait5714 4 года назад
Just came across this exact fault , intermittent f24 on a Turbomax 282/ 2.5 , temperatures different every time on hot water ..... I was going to replace the ntc sensors but I’m going to go back and try the return path check ..... cheers for this !,...
@HeatingGeek
@HeatingGeek 4 года назад
Let me know how it goes. No one has ever come back to say they had this. :-)
@christait5714
@christait5714 4 года назад
HeatingGeek ... returned to the job yesterday, cleaned up the sensors and the chassis connection , tested the sensors values , all good , tested them again to the wire on the chassis, all good and from cutting out 2-3 times per shower is running perfectly. Going back for a different job in a week so I’ll check . After cleaning the connections the values were instantaneous where I had to scratch with the meter probe to get a reading before. Now temperatures are stable , hot water constant, no cut outs or going cold .... happy customers!!..great wee video
@HeatingGeek
@HeatingGeek 4 года назад
@@christait5714 NICE. :-) Im so glad this has helped someone. This was the hardest fault I ever had to fix.
@christait5714
@christait5714 4 года назад
HeatingGeek .... quick update , boiler has not faulted since the repair ... 👍😁😁😁
@HeatingGeek
@HeatingGeek 4 года назад
@@christait5714 Nice one. Thanks for getting back to me. :-)
@hadjarramouche9984
@hadjarramouche9984 5 лет назад
Hi mate hope you’re well, just a quick one and E133 on the Potterton promax Comby that is it lights up for Five secondsseconds and it goes after five attempts to e133 again I did display the one which is E168 confused between the flame rectification device or the actual bored what are your opinion much appreciated
@HeatingGeek
@HeatingGeek 5 лет назад
e168 has usually been the PCB for me. e133 could be a lot of things. What have you tested?
@LeeGee1983
@LeeGee1983 5 лет назад
Loving these videos, not even in the trade but it's fascinating see how things are working and repairing things nice one....I know....my nails need cutting. Hahaha
@HeatingGeek
@HeatingGeek 5 лет назад
Glad you like it. I haven't even cut them...
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks. :-)
@LeeGee1983
@LeeGee1983 5 лет назад
Nails are useful anyhow I cut mine other week, amazed at some of the things I couldn't do coz I cut them ha
@ivandrozd8262
@ivandrozd8262 3 года назад
Genius. I Would never figure out this fault!👍
@HeatingGeek
@HeatingGeek 3 года назад
Trust me, It took me a long time myself. :-) Have you got a boiler with this issue?
@ivandrozd8262
@ivandrozd8262 3 года назад
@@HeatingGeek Not yet. Just came across with turbomax recently. Is there anyway to contact you in regards with salus wiring centre fault?You have a very good knowledge in faults. Many thanks for sharing your experience with as.
@alikarimi-langroodi5402
@alikarimi-langroodi5402 5 лет назад
you are genius mate. thanks
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks. :-)
@Eric76
@Eric76 4 года назад
I recently have had a number of parts replaced on our Turbomax Plus 828E combi boiler over the last few months. The boiler is 17 and a half years old, and I have had to replace the expansion vessel, heat exchanger, NTC single wire, pump, and PCB. There is also a slow leak from a non return valve now, so I am wondering if this boiler needs to be chucked after many years of reliable service? The F24 only occurred two weeks ago, but even though the single wire was replaced last week by Vaillant, it seems that there are number of failed issues and leaks happening in the process.
@HeatingGeek
@HeatingGeek 4 года назад
I would always try and keep a Turbomax on the wall. They are a fantastic boiler. Because I don't know the specifics of your boiler I can't comment on your situation. I'm sure the right engineer will sort the boiler right out. :-)
@simonbeales7842
@simonbeales7842 5 лет назад
Great video, thanks
@HeatingGeek
@HeatingGeek 5 лет назад
Glad you like it!!
@kevj1964
@kevj1964 3 года назад
Brilliant, Thanks for sharing
@HeatingGeek
@HeatingGeek 3 года назад
No problem 👍
@michaeltrimmer8899
@michaeltrimmer8899 2 года назад
Absolutely brilliant
@HeatingGeek
@HeatingGeek 2 года назад
I'm glad you like it. Not too many people have had this issue.
@michaeltrimmer8899
@michaeltrimmer8899 2 года назад
@@HeatingGeek I have a 21 year old Turbomax doing the same thing but the lady is dead set on a new ecoTec plus HE I will try what you did while I'm waiting a few days for the Adey cleaner to do it's magic, you are welcome to the old one for spares SW19
@HeatingGeek
@HeatingGeek 2 года назад
@@michaeltrimmer8899 What can you do?? Fit her the boiler. I have one of these in my garage already. Love this boiler. Thanks for the offer
@GymratzCoUkOFFICIAL
@GymratzCoUkOFFICIAL 2 года назад
HG you're a genius, love this solution. Perhaps you could throw some ideas at my issue? I've got an old Turbomax 828E that was forever failing so I took out the Valiant "insurance" 4 years ago and the main H.Ex had failed. It was replaced along with almost every component by insurance engineers... the following year F.22 randomly appeared so I changed NTC's (twice) and all was well... then F.22 started again so I earth-strapped HEX. F & R pipes to chassis (thanks to your vid) and all was good once more... for a while, but then F.22 crept in again. When boiler first fires it happens within about 10 mins but as boiler/CH water warms up after re-setting F.22 a few times it goes for many hours, sometimes for the whole day. Sometimes it will fire up in the morning for a few house before F.22 oh, and if I hook up diverter valve for H/W it will ALWAYS F.22 when DHW draw is finished. (we don't use DHW so I simply unhooked actuator head from diverter valve) PCB, Fan & Aqua sensor (which I've checked voltage output and it's good) are the only things not changed so very reluctant to scrap it now as it's pretty much a "new" boiler... :) Any ideas come to mind? Thanks in advance.
@HeatingGeek
@HeatingGeek 2 года назад
I would guess the boiler is still blocked. Without looking at it, its hard to say. Sorry
@GymratzCoUkOFFICIAL
@GymratzCoUkOFFICIAL 2 года назад
@@HeatingGeek Just reporting back to say THANKYOU. I'd become so fixated on it being electrical/mechanical your suggestion put me back on track to the simple solution. First off "competently" checked gas pressures to rule anything there out but they were spot on so I drained boiler through service valves and quite a bit of magnetite came out. Flushed burner through service port with some X800 siphoned from bottle on top of boiler then ran the rest + another bottle of the same around the system for 3 hours which didn't lock out once. Drained and flushed twice and refilled with X100. Everything has been perfect since. I was even able to re-hook up the diverter valve actuator as DHW always caused lockout (commercial building so didn't need HW). We have heating and hot water and all thanks to your "blockage" comment. Nowhere on the internet or elsewhere has blockage been mentioned as a cause for F.22 on an old Turbomax Pro 820E - Been collecting quite a bit of magnetite in the pre-filter which will hopefully stop any further blockages. Adding this not just to say thanks but hopefully it might help others looking to keep a reliable old non-condenser going for a few more years. Thanks again. :)
@gonzalomartinez1630
@gonzalomartinez1630 5 лет назад
Engineering at its finest!
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks:-)
@davebayliss3142
@davebayliss3142 4 года назад
Hello mate , I’ve got flashing egg timer in a square on my Vaillant eco pro 360 what is pls
@HeatingGeek
@HeatingGeek 4 года назад
I'm not sure what boiler you have.
@hadjarramouche9984
@hadjarramouche9984 5 лет назад
Sweet , many thanks
@HeatingGeek
@HeatingGeek 5 лет назад
Glad you like it. :-) One of my best wins
@dzmalekvali1110
@dzmalekvali1110 5 лет назад
Thanks king
@HeatingGeek
@HeatingGeek 5 лет назад
Ok... Thanks for watching!!!
@bakermanxxx567
@bakermanxxx567 3 года назад
Hello. thanks for the vid. At around minute 12 you show your solution (although you haven't used the exact bridging materials that you would have liked to have used because you're not in normal van). What wire and connections would you ideally have used use please?
@HeatingGeek
@HeatingGeek 3 года назад
I would take its all apart and clean all the joints on the pipes and diverter and then refit it all. That would be the true solution. Or an earth bonding clamp above the diverter and a wire on the chassis screw.
@bakermanxxx567
@bakermanxxx567 3 года назад
@@HeatingGeek thanks mate. you're a legend for this one. Had been experiencing f24 intermittent fault for months. tried so many things and your solution worked! good timing too.
@yannkitson116
@yannkitson116 5 лет назад
Like a car with a faulty ground connection due to corrosion results in high resistance in the current path (actually there are three options 1. short, 2. open, 3 high resistance). You should check, if you can measure the high resistance from the NTC to the PCB, maybe it will be able to provide an indicator for future problems. Anyway this was excellent detective work.
@HeatingGeek
@HeatingGeek 5 лет назад
I have taken the resistance reading and it isn't a problem when its not running. Something to do with the vibration or water movement i think. Little bit of wire fixes it though!!
@yannkitson116
@yannkitson116 5 лет назад
@@HeatingGeek Interesting and a really clever solution that was.
@HeatingGeek
@HeatingGeek 5 лет назад
@@yannkitson116 Thanks. It took a lot of struggle to get to that easy fix though!!
@diamondheatingandplumbingl2064
Hi Ollie. Great find. On the Worcester l/h flow unit video, where did you get the needles you were trying to clear the press gauge with? Thanks mate. 👍🏻
@HeatingGeek
@HeatingGeek 5 лет назад
I have put the link in now. (On the video description) If you get it from the US (link) its very much cheaper.
@diamondheatingandplumbingl2064
Cheers fella. 👍🏼
@HeatingGeek
@HeatingGeek 5 лет назад
@@diamondheatingandplumbingl2064 No problem. Just remember to say its a gift so you don't pay VAT at customs. Because your company is getting you a Christmas present. :-)
@Welton_Family
@Welton_Family Год назад
Does the Flow and Return side NTC’s fit in to a closed end thread or actually through the copper pipe to contact the water ? I have a TURBOMax that looks like it has white jointing compound coming out the side of the NTC threads, so I’m wondering if someone has ‘sealed’ them in and this could cause an increased resistance. If the NTC’s go in to a closed threaded coupling, the No sealing should be required.
@HeatingGeek
@HeatingGeek Год назад
The NTC is in a dry pocket. Sometimes heat sink compound will be put on the tip but PTFE shouldn't be used.
@Welton_Family
@Welton_Family Год назад
@@HeatingGeek thanks. So the Flow / Return NTC’s can always be changed with out draining down ?
@HeatingGeek
@HeatingGeek Год назад
@@Welton_Family Yes. :-)
@HektorBandimar
@HektorBandimar Год назад
I have a Vaillant Turbomax Plus, it's getting quite noisy when the rad heating kicks in, it's been a great combi though.
@HeatingGeek
@HeatingGeek 5 месяцев назад
Still is a great combi
@henrybartlett1986
@henrybartlett1986 5 лет назад
Brilliant.
@mickelsmickle8668
@mickelsmickle8668 Год назад
I have come across thus fault last night but had no jump leads?
@Welton_Family
@Welton_Family Год назад
Have you ever checked the Modulation Current d.37 on the TURBOMax during the run cycle ? I have one that is running for just 30 seconds or so per cycle and I’m thinking it’s going full rate rather than modulating. D.32 readings - 0 to 111 (mA) for Ignition sequence (6 seconds), - Then 13 mA for 28 seconds of run, - Then back to 0 for pump overrun. Target temp of 70 is being reached by the 30 sec cycle. Any thoughts on such a short cycling ? Is it normal or should the burner be modulated down and the therefore a Gas Valve Modulation higher modulation current should kick in ?
@HeatingGeek
@HeatingGeek 6 месяцев назад
Just check the gas pressure. If the mechanical gas valve isn't set up properly then it doesn't matter what current you have. Someone could have set up the minimum to 10mb and the max to 10mb. the boiler will not modulate then
@Welton_Family
@Welton_Family 6 месяцев назад
@@HeatingGeek yes. It was the Has Valve that needed setting up. It’s a lot better now. Thank you.
@HeatingGeek
@HeatingGeek 6 месяцев назад
@@Welton_Family I haven't been around much so didn't reply. sorry about that. Glad you got it sorted.
@dee6962
@dee6962 3 года назад
Brilliant ....
@HeatingGeek
@HeatingGeek 3 года назад
Thanks :-)
@proteus1
@proteus1 5 лет назад
I have a similar issue with a baxi duo tech he 40 temperature instead and decrease. Changed two sensors, new plate as dirty, new head motor. 110 fault. With hot water at tap flowing and boiler hw temp dial set to quarter setting, the temperatures are fluctuate to 55• down to 30• Sensors read ok on meter. The new plate may have dirt back in this as of fluctuations . Baxi say it could be pcb. Customer advises that they have to reset boiler when fault code arrives.
@HeatingGeek
@HeatingGeek 5 лет назад
Pcb or harness issue. Thats my guess. :-)
@bobbyrai8957
@bobbyrai8957 Год назад
Engineer masterclass
@HeatingGeek
@HeatingGeek Год назад
Took a while to figure out.
@heatservicebwcuk1545
@heatservicebwcuk1545 5 лет назад
another quick bypass of the ntc is to set your meter to continuity and put it across the ntc / boiler chassis. the boiler will not modulate ofcourse.
@HeatingGeek
@HeatingGeek 5 лет назад
It doesn't work with my multimeter. I replied to the guy that suggested that.
@heatservicebwcuk1545
@heatservicebwcuk1545 5 лет назад
HeatingGeek fair play you need to get them clip on ntc of yours into production
@HeatingGeek
@HeatingGeek 5 лет назад
@@heatservicebwcuk1545 It would be nice!
@hadjarramouche9984
@hadjarramouche9984 5 лет назад
I will definitely have more patience from now on with some faults
@HeatingGeek
@HeatingGeek 5 лет назад
You have too. I don't go to very many basic issues any more. I kinda like the difficult ones and they all take patience.
@JimFarrell-rc2mv
@JimFarrell-rc2mv Год назад
So good that you take time to study. I have an issue where i have the Turbomax 28, not the pro with the fault panel. Anyway my issue is that when preparing for CH, it often tries to start x 3 then reverts to failure mode and has to be reset. If i have water demand, it runs every time with no failure. I have noticed that if i reset the boiler and turn on HW demand, run for a minute then turn off HW, the CH demand will run and fire as normal. Only after heating temp is made and boiler switches off does the cycle happen again. I have had an engineer out and he has replaced the Dviverter Valve, same as in your video. That has not fixed the issue. I dont want to be chasing fault after fault with replacement after replacement. Its an expensive non repair. Do you have any experience i can point him in the direction of?
@HeatingGeek
@HeatingGeek 5 месяцев назад
I Didn't see this comment. Sorry, i hope you got it sorted
@JimFarrell-rc2mv
@JimFarrell-rc2mv 5 месяцев назад
Yes i did, it was a strange solution though. The thermocouple was replaced and the issue disappeared. It doesn't explain the correct operation on HW demand but its been fine ever since. I was hesitant to pay for the replacement given the symptoms but the engineer had said he had seen such an issue before! he was right.@@HeatingGeek
@HeatingGeek
@HeatingGeek 5 месяцев назад
Your boiler doesn't have a thermocouple so something else must have been replaced. :-0
@proteus1
@proteus1 3 года назад
The old harness wire you used from the worcester, is very cheap chineese wire with very little copper content. That's how good worcesters are...You can test the copper content of electrons in wires as they provide a fraction of a signal.
@HeatingGeek
@HeatingGeek 3 года назад
As long as the boiler was working we knew what the problem was. ;-)
@paulhughes2367
@paulhughes2367 5 лет назад
Wow good spot
@HeatingGeek
@HeatingGeek 5 лет назад
Thanks. :-)
@hadjarramouche9984
@hadjarramouche9984 5 лет назад
Respect me just let me know what do you replaced in the end exactly just the NTC 1
@HeatingGeek
@HeatingGeek 5 лет назад
No. The wire fixes the issue. You can replace the pipe and diverter and it will fix it. Or just use an earth clamp across the diverter valve to create electrical continuity.
@Heatingandplumbing1
@Heatingandplumbing1 5 лет назад
would just replacing the ntc not work? rather than adding that link out?
@HeatingGeek
@HeatingGeek 5 лет назад
No. Its the high resistance across the boiler parts to the chassis. Changing the NTC does nothing. I do explain how it work in the video.
@b1h2u3p4
@b1h2u3p4 8 месяцев назад
If timer is faulty can you remove timer and fit external controls
@HeatingGeek
@HeatingGeek 8 месяцев назад
Yes you can. Pull timer out and wire in new controls.
@robertskinner4148
@robertskinner4148 5 лет назад
Another good video mate I was just going to say about the F61 on the ecotec saying it's the Gas valve in the book but it's the pcb But you beat me to it lol Do you think your be able to do a video of a support on Vaillant combi when it's all rusted in? When you come across it next?
@robertskinner4148
@robertskinner4148 5 лет назад
When the plate screws are rusted in it rounded off or how you drill the screws to get it out*
@HeatingGeek
@HeatingGeek 5 лет назад
Yes as soon as i find one to do. I have done 2 or 3 and am still working out the best way to do them.
@robertskinner4148
@robertskinner4148 5 лет назад
Cheers mate I've found a few ways of getting the rusted screws out ....... would like to see your spin on it
@HeatingGeek
@HeatingGeek 5 лет назад
@@robertskinner4148 Screwdriver chisel is how I removed the last few screws!!
@hashman27
@hashman27 4 года назад
Hi, thanks for the video. Just a quick question - the dial next to the timer has 3 options - a clock, a sun, and a half moon thing. The clock obviously means timer, the sun obviously means ON all the time. What's the half moon symbol mean? Does it mean off all the time?
@HeatingGeek
@HeatingGeek 4 года назад
Yes it does. Sorry I didn't reply quickly. I missed your comment. :-)
@hashman27
@hashman27 4 года назад
@@HeatingGeek thanks
@Ryan_DYD
@Ryan_DYD 4 года назад
Shame your title didn't have S.54 in - I'd have found it years ago! Our boiler has been tripping with S.54 for YEARS. (never drops to F.24, or never seen to, but F.24 is stored in error log - -assumed before I moved in). And in that time, pump, DHW HE, diverter valve all changed and its still randomly playing up. But only recently have I seen it drop to S.54 on heating (ruling out DHW HE and diverter valve). The main HE was next on list, but boiler is otherwise perfect (having a shower and watching, as soon as S.54 display, flame-out reset and it cuts back in and can work for 10 mins or so). So wasn't convinced it was physical. Bought a HE off ebay which came with 2x NTCs (which read the right resistance) so was going to swap those first and clean contacts. Hadn't considered the earth return. But this is the most exciting prospect!!!!! Thanks :) FULL RESPECT to your approach - logical diagnosis is a skill not known to many, so well done for applying and sharing. Will try this later today
@HeatingGeek
@HeatingGeek 4 года назад
You have to let me know how you get on. :-)
@hadjarramouche9984
@hadjarramouche9984 5 лет назад
Gas valve Spark Rectification As it comes on for few seconds am convinced is the either the rectification or the Pcb in that order Mind u the gas valve has one solenoid if it had two I d say the gas valve .
@HeatingGeek
@HeatingGeek 5 лет назад
What have you tested?
@ohforfxcksake
@ohforfxcksake 5 лет назад
Amazing fault finding. So is the repair to just leave the new wire in place ? Or a clean up of fittings ?
@HeatingGeek
@HeatingGeek 5 лет назад
Whatever the customer wants to pay for!!!!
@HeatingGeek
@HeatingGeek 5 лет назад
;-)
@ohforfxcksake
@ohforfxcksake 5 лет назад
Nice one
@7dayplumbingservices195
@7dayplumbingservices195 5 лет назад
Genius
@garydungar2874
@garydungar2874 5 лет назад
Well done in working the principle out, BUT: Did the CU have a RCD or RCBO? Did you know most of F.24/jumping temperature displays are due to external influences onto the boiler chassis? Most common cause of this fault is failing elements in ovens, kettles, electric showers, N to E faults on supplies etc etc. Also boiler chassis at different potential from main earth bonding. Measure N to E at boiler PCB, must be less than 5VAC and not fluctuating.
@HeatingGeek
@HeatingGeek 5 лет назад
Yeah I know what your saying, but this one and another one I have fixed have both been this issue. I did have one in N11 that I never got to the bottom of that could of been an external issue. If the CU had RCD or RCBO they would trip in the situation your mentioning (Thats why you ask?). I didn't see the CU on this job, but did on the other which was split RCD Board. I haven't had this issue where external stuff caused it yet. I will watch out for it though and the RCD/RCBO is a good thing to look out for. :-)
@kingjohnothegreat
@kingjohnothegreat 2 года назад
Should change your name to HeatingGod lol 😂
@mrsayef1059
@mrsayef1059 5 лет назад
Amazing tip HG, wish i worked in the same company as you would be nice to tag along on jobs. Your like celeb for breakdown engineers 🙏 Vaillant should sponsor you!! And maybe send you another choc Advent box 👍🏼
@HeatingGeek
@HeatingGeek 5 лет назад
Was it you who mentioned turning the u gauge tube back on its self to make a tighter connection? Thanks for that if it was. I had someone talking to me at a petrol station this week. Felt weird...
@umark6695
@umark6695 5 лет назад
@@HeatingGeek Did you feel like a celeb? ;).
@mrsayef1059
@mrsayef1059 5 лет назад
@@HeatingGeek wish it was me, and if was i would made you late for your next job lol. Also did you manage to flush the main heat exchanger at your own home? Looking forward to the video upload 👍🏼👍🏼
@HeatingGeek
@HeatingGeek 5 лет назад
@@umark6695 NOOOOOOOO was odd.
@HeatingGeek
@HeatingGeek 5 лет назад
@@mrsayef1059 Doing the video (edit) tonight/ tomorrow so hopefully by friday.
@650GSF
@650GSF 5 лет назад
that one will have beaten a few engineers, my turbomax is still going strong and is about 15 years old now, it has been a great boiler, I know it could do with a power flush because it has never been done and has not got a filter fitted, I have bought one just not fitted it yet.
@HeatingGeek
@HeatingGeek 5 лет назад
It might not need a flush. Wait for my own boiler part2 and I show how I got chemicals into my system.
@650GSF
@650GSF 5 лет назад
look forward to it.
@HeatingGeek
@HeatingGeek 5 лет назад
@@650GSF Thanks:-)
@philcordwell9560
@philcordwell9560 4 года назад
Thanks a simple thing like that send you down the wrong path and spend hours on it ,will remember this for a long.
@HeatingGeek
@HeatingGeek 4 года назад
It took hours to finally find that issue. This is one of my proudest repairs and no one has ever told me they already knew that. :-)
@johnalderweild6442
@johnalderweild6442 5 лет назад
Can anyone explain the function of the by pass does it just dicipate the heat and how does having or not having a by pass on a heating system effect it?
@HeatingGeek
@HeatingGeek 5 лет назад
When the heating has been on for a long time and the house is hot all the TRVs start to close down and restrict flow of water. The spring loaded bypass should then open allowing the boiler time to turn off without overheating. On a traditional system it can be used when the 2 ports close and water stops moving all together. It allows the pump overrun to move the water in the boiler so it dosen't overheat.
@johnalderweild6442
@johnalderweild6442 5 лет назад
@@HeatingGeek So what faults can occur apart from overheating if there is no bypass or if a system has a bypass and also the boiler has a bypass?
@heatservicebwcuk1545
@heatservicebwcuk1545 5 лет назад
The purpose of the bypass is as heating geek says and also to protect the pump as trvs close down etc
@johnalderweild6442
@johnalderweild6442 5 лет назад
@@heatservicebwcuk1545 Thanks for the prompt reply
@heatservicebwcuk1545
@heatservicebwcuk1545 5 лет назад
John Alderweild no worries ! In simple terms when system demand decreases as in trvs close down , zone valves close. The bypass will automatically open to meet the pressure increase in the system. That’s about as much as you need to know with a bypass valve. It’s there to create an open path for circulation and protect the boiler and pump from overheat.
@esenb8153
@esenb8153 5 лет назад
Hi great videos I'm looking for a gas engineer to fill out my portfolio I'm based in west London any help would be much appreciated.
@JD-gi9pl
@JD-gi9pl 4 года назад
This is quality. Why does the ntc need to use the chassis as an earth if the white wire acts as an earth to the chassis?
@JD-gi9pl
@JD-gi9pl 4 года назад
Just answered my own question. Watched the vid again and saw the bit where you say the wire doesnt go to the ntc it goes to chassis. Weird. Next time I see one of these I'll look out for a wire. So is the wire just linking from position thirteen to the earth clamp in the boiler? I totally get the concept of this, just need to see where that white wire starts and finishes. Weird that the pipe (and other metallic parts) act as an earth on a component that relies on changes in resistance to operate correctly. It's kind of asking for trouble down the stretch. Anyway, this video is quality and helps us all think about why a machine isn't working rather than just knowing how to fix it. 👍
@HeatingGeek
@HeatingGeek 4 года назад
@@JD-gi9pl The white wire goes onto the PCB and onto the chassis. Vaillant stopped using this method on this boiler. I haven't really had this too many times but when it happens I know what it is. Cars use the chassis as an earth all the time. It works for them fine. :-) Glad I got you thinking. ;-)
@JD-gi9pl
@JD-gi9pl 4 года назад
@@HeatingGeek I'm glad you share this stuff. Like you said, on a basic level the thermistor measures resistance, when it interacts with pcb and gas valve and fan it gets called intelligent. But the components produce basic functions. Appreciate you putting it out there for everyone 👍
@HeatingGeek
@HeatingGeek 4 года назад
@@JD-gi9pl No worries. I'm glad people are still watching and commenting. Got loads on my plate at the moment. Hope to get back to it soon. :-) This I the fault I will remember forever. It took a lot of effort to find this one first time around.
@hadjarramouche9984
@hadjarramouche9984 5 лет назад
Sorry dictation is rubbish I mean have you replaced the one wire Ntc
@hadjarramouche9984
@hadjarramouche9984 5 лет назад
E168 only appeared once .. the whole time after few attempts goes to E133 Forgot to mention the boiler was full of water can only b from the gas chamber as the pressure was fine and no leak visible from any parts. Initially thought condensed might b blocked . Done the work on the trap and what have u . No joy so far ..
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