Vaillant F.75 Fault - But why?! Famous Vaillant Fault Codes

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One of the famous Vaillant Fault Codes! I attended this job for the usual suspected pressure sensor when the client was faced with an F.75 fault on their Vaillant boiler. But not all was as it seemed and the job needed some more attention!
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Опубликовано:

22 сен 2024

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Комментарии : 31

@Heatking 5 месяцев назад

Really enjoyed this one Richie ❤!

@RJHeating 5 месяцев назад

Cheers brother!

@FactsA-1 4 месяца назад

I usually carry a carrier bag and slide the whole thing over the control panel to protect from drips and spills. Then remove it after use.

@RJHeating 4 месяца назад

Good idea actually! There’s actually a brand of boiler who gel coats their PCBs to stop these issues!

@ArifPolicewala 5 месяцев назад

That was a interesting one considering more often then not it is the pressure sensor

@RJHeating 5 месяцев назад

Definitely! I even turned up with a sensor - in my whole career I’d say it’s not been the sensor maybe 5 times 😂

@homeflameheating 5 месяцев назад

Great video and repair - rare fault for F75!

@RJHeating 5 месяцев назад

Thanks for watching! Definitely - you’d usually bet your house on it being the sensor 😂

@davebayliss3142 5 месяцев назад

Always put a couple of nappies under the pump , top tip

@RJHeating 5 месяцев назад

That’s actually a great idea! Thanks for watching!

@ScottyDog345 5 месяцев назад

How many ohms on that pump

@jkplumbs 5 месяцев назад

Silicone grease rather than washing up liquid is best

@RJHeating 5 месяцев назад

Personally, I find a small drop of washing up liquid is the best lubricant out there - don’t get me wrong, I’m a fan of silicone grease but for the AAVs and the LWPS - it works better for me. Thank you for watching!

@fatzz5800 5 месяцев назад

Live to Neutral is meant to be 240v right? So why is the pump faulty then I don't understand

@RJHeating 5 месяцев назад

If the pump is getting 240v but not spinning then that proves the pump is faulty as it’s receiving power but not functioning correctly. If it didn’t have 240v at the pump you would be looking at a potential PCB fault

@fatzz5800 5 месяцев назад

@@RJHeating Thanks so much, I appreciate it. Subscribed also 👍

@RJHeating 5 месяцев назад

@@fatzz5800 thank you!That’s very kind of you! There’s more diagnosis videos coming and hopefully some wiring ones!

@julianhawker7672 5 месяцев назад

Do you not put them in air purge mode? I use a bungee cord as a 3rd hand to hold the controls pannel/PCB up out of the drip zone, works a treat. 👍

@RJHeating 5 месяцев назад

Only air purge if it needs it, this one didn’t. Good tip on the bungee cord, pretty sure these used to have a string on older models like the Worcester - maybe I’m making it up 😂

@homeflameheating 5 месяцев назад

They did!

@davebayliss3142 5 месяцев назад

You can hear the pumps getting power 🤷‍♂️

@RJHeating 5 месяцев назад

It’s got power but siezed unfortunately

@kevinschoales844 5 месяцев назад

Are you predominately attending Vaillants

@RJHeating 5 месяцев назад

I’m based in south west London/Surrey areas and I’d say the main mixture is Vaillant, Worcester & Ideal but can come across pretty much anything!

@ScottyDog345 5 месяцев назад

Youre process of elimination is superd .....Lol

@RJHeating 5 месяцев назад

Pump diagnosed, pump replaced, boiler now working…sounds like solid diagnosis from where I’m standing. But thank you for your input anyway…

@homeflameheating 5 месяцев назад

*Your - also yes, it is. I’d love to see your own video of diagnosing boiler faults Stephen…oh wait you don’t have any?

@marshall255 5 месяцев назад

Electrical Safe Isolation 😂 Na no need.

@RJHeating 5 месяцев назад

Safe isolation carried out but not on video, I’m sure people don’t want to watch that on every vid but thank you for your concern.

@ScottyDog345 5 месяцев назад

Cowboy

@she_plumbs 5 месяцев назад

🙄 pump is seized...can hear it...doesn't matter how many ohms it has.... maybe he just has enough experience to recognise this...but don't worry you'll get there one day 👌