Coleman Mach Air Conditioner Not Cooling? Try THIS First.

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RV Repair tech walks you through how to test the compressor on your RV AC.
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Links Mentioned in the Video
RV Compressor Tool: www.rvrepairwoman.com/compressor
RV AC Guides: www.rvrepairwoman.com/acguides
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Timestamps:
0:00 Intro
1:22 Prep
2:55 Go On Roof
6:22 Heat Overload
7:48 Set Up Meter for Safety Test
9:55 Safety Test
12:10 Set Up Meter for Compressor Test
14:59 Fighting With Meter
15:27 Compressor Test
16:41 Math
18:54 Compressor Bad?
20:12 Compressor Good?
22:56 1%
26:29 Outro
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RV, Camper, Fifth-Wheel, Motorhome, Fleetwood Flair, RV Maintenance 101, Mobile RV Tech, Las Vegas, Henderson, Summerlin, Nevada, RV Repair Technician, Save money, Save time, Certified RV Repair Tech, RV Tips and Tricks, NRVTA, National RV Training Academy, Water Heater, Dometic, Atwood, RV Inspector, RV Inspection, Coleman Mach, AC, Air Conditioner

Опубликовано:

8 июл 2024

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Комментарии : 95

@heminova67 День назад

Really impressed with your delivery It covered from novice to expert Do it yourself people Thx

@darrenscully7850 2 месяца назад

This video, solved my issue. It was not my compressor. Endedup being my controller. You..... saved me from buying a new unit. Thank you!

@rvrepairwoman 2 месяца назад

Yay! Love to hear it!

@AlexanderMorseDesigner 23 дня назад

@darrenscully7850 What vintage and model Coleman do you have? I just did RVRepairWoman's wonderful compressor test and ours passed the test. I'm lost.

@cavaleiro95 2 дня назад

@@AlexanderMorseDesigneryeah me also I can’t figure out my Coleman mach

@billagreste8812 Месяц назад

Sorry the phone closed on me so I noticed on this unit if I turn off the AC and wait 10 or 15 seconds turn it back on, it cools properly with a 15 to 20° difference. When I did this I went back up top and did the measurement and the black wire was reading a little less than double the other two wires so now the compressor is not bad. It seems to blow hot air more frequently when it's hot outside than when it's cold right now I'm sitting in a chili nicely cool motorhome after the sun has gone down and the AC has been putting out great cold air but sometime tomorrow it'll switch back to not cooling. I don't think my compressor is bad or it's bad in that sometimes it totally works and sometimes it doesn't. What could it be I'm at a loss for my next step and the different technicians honestly don't know what they're doing. Your videos are more informative that they could ever hope to be.

@ocaguilar1 2 месяца назад

I do the majority of my RV repairs. I needed this video. I will be testing my unit as my ac runs and I can hear the compressor come on but it doesn't cool. Thank you for explaining the test process. I suspected a freon leak but I don't see any black oily substance around anywhere. Again, thank you.

@nobleone5602 10 дней назад

This information was so useful as it saved me so much time and let us know that the compressor was indeed bad. Thanks again for your help!

@rvrepairwoman 10 дней назад

Glad it helped!

@johnmacias971 Месяц назад

This video made it so easy to figure out I had a bad compressor with bad resistance readings across all three terminals. Thank you RVRW 😊

@TheSupra24ssv Месяц назад

Great job!! One of the best DIY type videos I have watched

@sandiebock8035 3 месяца назад

TERRIFIC, WELL DONE, as a woman this makes sense when looking at what some guys are teaching and cannot relate to I totally understand. THANKS!!

@rvrepairwoman 3 месяца назад

You got this!!!

@aa2ronsiegel Месяц назад

Thank you Emily! I've watched this and your video about the water heater. Both are very amazing and you're brilliant!!! Ty

@LorriTaylor-xk6cz Месяц назад

Thank you!!! I've had male RV Techs talk down to me - I so appreciate you!

@rvrepairwoman Месяц назад

Happy to help!

@Imagashole 3 месяца назад

Great work!

@markhouse9570 3 месяца назад

Nicely done! It was great to see the test of the compressor motor. Quick test to see if it's time to bite the bullet and replace the unit. I'd like to carry a troubleshooting PDF for my Mach 15000btu heat pump in my rig to refer to WHEN there's an issue.

@billagreste8812 Месяц назад

You are a very bright young lady. I employed text in a different field and you've got all the gears in place! I've got a Coleman mock air conditioner that sometimes blows ambient temperature air. If I go upstairs and do the test that you did I noticed my black wire is running less than half of the combination of my other two wires on the compressor which means bad per your troubleshooting.

@michaeldonker4656 2 месяца назад

Thank u so much for all your test tips I have a Coleman Mac air conditioner cools on high, but not on low it just hums any advice thanks

@jimblailock7313 6 дней назад

Thanks for the great information!

@daviscrt 3 месяца назад

That was awesome. Thanks Don

@rvrepairwoman 3 месяца назад

Glad you enjoyed it!

@moandjoaz 2 месяца назад

Great video!

@raymondgross6419 3 месяца назад

Thank you

@astroverland2367 Месяц назад

I am 100% looking forward to your Dometic guides!

@rvrepairwoman Месяц назад

They are in the works!

@jamisonroe472 Месяц назад

Excellent video. Concise and easy to follow. I subscribed. Vegas local too!

@user-qx4ut8xu5e Месяц назад

Hey, my GE is blowing cool air but not cold like it new 3 years ago. Any thoughts on what I should check? Really liking your videos too.

@NH-Jim 15 дней назад

Great job! Now I have two favorite woman on RU-vid, you and Chickanic.

@TaterGrabbinBass Месяц назад

This is a great video, I did everything stated in the video and have found out my compressor is done for. How much would it cost to replace an AC unit on. Winnebago Revel? I live in Phoenix AZ and I guess I need to find someone who can replace the AC unit now. 😔

@daveaxton47 3 дня назад

So I have that exact unit...I tested the compressor..math added up....I changed out both the start and run capacitors...the fan runs fine on old capacitor so didn't change that one. When I turn the air conditioner on ...cold...the compressor sounds like it wants to start...makes a little noise...generator labors....then sounds like it resets and follows that pattern ever 45 seconds or so. No visible leaks.....thoughts? Not much left but almost sounds like compressor is stuck somehow.

@OffYourBeatenPath71 21 день назад

Thanks, you deserve every penny you earn from these tutorial videos. I hope it's all you desire.

@randyschaad9176 20 дней назад

maybe you can help me most are saying its my compressor my ac coleman mach 13.5 rough neck 2009 it starts up then sometimes trups my breaker sometimes doesnt. Its run on a gen 7500 sometimes when i turn the switch on it kicks the gen on then the ac dhen i gonto turn the ac off the gen doesnt turn off automdtically. Sometimes when i turn the gen on the ac wont kick on unless i turn the fan on let it run for a bit then switch over to auto it starts to work. But just recently its kicking the breaker

@bobmakowski7627 Месяц назад

Will a bad freeze sensor keep the compressor from turning on. Ifvso what multimeter test is there to check the freeze sensor?

@rvrepairwoman Месяц назад

Unplug the freeze sense and short the two pins on the control board that you just unplugged from with some needle nose pliers. I’d the AC starts working, then the freeze sense was bad.

@NickB00193 2 месяца назад

Great video! Does the AC guide pdf you have contain the way to check for a refrigerant leak with the multimeter and anything about checking relays? Those r the last things I haven’t checked to understand if our Coleman Mach is part of the “1%” 😢. Keep up the great content!

@rvrepairwoman 2 месяца назад

Yes it does!

@RandallW20 3 месяца назад

The links for the AC guides are not on the webpage. Or are they still being built. I understood that one or two were ready.

@rvrepairwoman 3 месяца назад

All the Guides can be found here: www.rvrepairwoman.com/acguides The one for if your Coleman Mach isn't cooling is this one: www.rvrepairwoman.com/ac-guides/p/ac-not-cooling-guide-coleman-mach And if your Coleman Mach isn't turning on is this one: www.rvrepairwoman.com/ac-guides/p/coleman-mach-ac-not-turning-on Dometic guides are still in the works! YOU GOT THIS!

@Chris-nt3dv 2 месяца назад

What would cause it to short cycle but the fan stays running even on auto

@steveem7032 Месяц назад

Would the compressor test be the same for a Coleman 9000? Mine is blowing air only.

@rvrepairwoman Месяц назад

Yup! Same test no matter the brand of AC.

@fps_beegs8117 9 дней назад

My coleman mach is short cycling when ac is on i just found your videos and havent checked my compressor yet but would that most likely be the problem?

@rvrepairwoman 9 дней назад

I’d look at the air box and make sure it’s taped up properly if short cycling is your problem.

@fps_beegs8117 9 дней назад

@rvrepairwoman I tested my compressor and got 5.8-5.1-1.1 is the 5.8 to 6.2 no Bueno?

@myrvguy Месяц назад

I tried that test today, but the compressor was leaking so bad i couldn't get a read. It was a mess. I have to put a new one in.

@casperhudson7728 Месяц назад

Got a question. Replacing a domestic ac to a Coleman Mach ac. Do I reuse the controller box from the old domestic unit for the Coleman? Dometic ac had 110 plug to clip in a d Coleman dosent. I’m so lost. Have a video that shows how to convert dometic to Coleman. Also there’s no ceiling shroud inside the camper

@rvrepairwoman Месяц назад

Should be super easy! You’ll just need an adapter to connect the nine pin Coleman connector to the 6 pin connector on the Dometic control box. Easy product to get your hands on.

@casperhudson7728 Месяц назад

@@rvrepairwoman r u sure cause the the old domestic didn’t come with a plug. It was all hard wired in. My controller box is a lot bigger then the one I see online too

@casperhudson7728 Месяц назад

@@rvrepairwoman dometic model # f48ag86a61 “genteq”

@FanceeName Месяц назад

Do you have a PDF or a video explaining why I can hear my compressor shut off and then I get warm air and then I will get cool air for about 10 minutes and then I’ll get warm air for about 15-20 minutes and then cool air for about 10 minutes and on and on and on. It’s 93° outside and 85 to 89° inside. I have a Coleman Mach. 30 amp trailer.

@jambrose3113 22 дня назад

This is the issue I’m having as well.

@FanceeName 22 дня назад

@@jambrose3113 I got on the roof and cleaned all the fins and now it’s working correctly and it’s nice and cold.

@jambrose3113 22 дня назад

Thank you for the reply. I did that yesterday and it been working great today (it was very hot outside and it ran all day). Here’s hoping that’s all it needed. Glad to hear that was the fix for you.

@FanceeName 21 день назад

@@jambrose3113 I also modified my AC. In addition to what the video below will show you I took out the little plastic rings that are connected to my vents and I taped the space up with foil tape, in place of the ring. The rings interrupt the airflow and they allow air into the space between the ceiling and the roof. Before I did the mod and taped the vents the only way you could feel the vent is I went up to it put my hand right on it. Now it gets so cold I have to aim them away from me. You lose your dump vents on the unit, but I don’t miss them and I thought I would. Also, if you have space that extends beyond your last vent block that and tape it up as well. Video: “I modified my RV air conditioner to run cooler and quieter” On Channel name: RV tips and travels

@jambrose3113 21 день назад

@@FanceeName we are on the same page because I did all of that too. I also replaced the thermostat, run compositor, breaker, breaker fan. I think the only thing I haven’t replaced is the circuit box up in the return. Thanks for the tips! Very useful info!

@laurasmith5896 21 день назад

My issue is that the AC units run on shore power but not on generator . AC1 has green light on no shed , no fan or cooling . AC2 has shed light on steady , blows fan , not cooling . Pit when it’s on power show it’s works . I’m At a loss.

@wlc1980 2 месяца назад

My ohm meter won’t stop, it keeps flashing different numbers. The compressor is coming on, it’s very hot and not cooling. Any advice anybody? Damn year old Coleman Mach hardly used. Bedroom unit cools great.

@rvfuntimes6144 День назад

I took and put meter clamp around black wire and got a 4.9 reading RLA on label showed 10.1. It’s a Coleman Mac 13500 unit. Temp is 83. What do you think I told them bad a/c

@rvrepairwoman 21 час назад

That sounds like refrigerant leak.

@rvfuntimes6144 12 часов назад

@@rvrepairwoman Thanks

@emiliameza8814 Месяц назад

Good morning Emily. We just hit a 2003 Fleetwood pioneer rv and we can’t get the fridge, and the AC TURNS ON BLOWS FRESH for like 30 seconds then blows HOT 😭😭

@emiliameza8814 Месяц назад

We just GOT

@sandiebock8035 3 месяца назад

I saw you went to NRVTA for schooling. Did you feel hard, what were into before you were an RV tech?

@glprewitt3245 23 дня назад

Our a c is throwing the breaker still cooling when we flip it back on only flipped breaker twice in two weeks or trail runner r v is only three years old

@rvrepairwoman 23 дня назад

Is it only tripping the breaker on start up? Or randomly while it’s running?

@glprewitt3245 23 дня назад

@@rvrepairwoman random while running it has only done it twice and we've been using every day for about 10 days now it's cooling just fine it just makes me nervous that breaker tripping

@glprewitt3245 22 дня назад

@@rvrepairwomanwe are on a two week trip when I get back home on 24 th might try replacing breaker So far a c still cooling yeah it's been 95 degrees here in Texas

@jambrose3113 22 дня назад

Mine was tripping while running. Turns out the fan inside the electrical box that cools the breakers had stopped working. The fan is about $8. The work around until I received the part was to plug in a regular fan and keep it blowing on the breaker box all day to keep it from overheating. Worked great.

@glprewitt3245 22 дня назад

@@jambrose3113 thank you for the tip I'll check it out

@46fd04 Месяц назад

Let me give you an easier test. Look up and see if you forgot to remove the winter cover! My AC stopped working this past weekend (my first trip of the season). Took the cover off and the AC came back to life.

@rvrepairwoman Месяц назад

😂that’ll do it!

@bobmakowski7627 Месяц назад

😅

@SavageTrails 20 дней назад

Great video! Love the energy and the way to call it like it is. Well done, just sent email for tool. Thanks!

@1sylvan1 7 дней назад

Did I miss it, or did you not mention that the heat overload protector could be the culprit? I've had that problem and just replacing it had everything working again. Did you cover that in another video? Thanks

@rvrepairwoman 7 дней назад

I mentioned it real quick in the middle. You can test it for continuity. Was concentrating just on the compressor test for this video.

@1sylvan1 7 дней назад

@@rvrepairwoman Thanks, I figured so, but checking that first could have been a really quick inexpensive fix. That's what mine was. I temporarily jumped / by-passed the overload protector and it blew nice cold air. Just needed to replace the overload protector. They can go bad.

@infinityvideoprod 2 месяца назад

What do you do if the freon has leaked out?

@rvrepairwoman 2 месяца назад

You’re unfortunately looking at getting a new AC.

@infinityvideoprod 2 месяца назад

Crap, it's just out of warranty too. I assume it's the freon as it smelled musty then stopped blowing cold. Thanks for the help!

@brianwhippen7497 2 месяца назад

I just replaced the unit and the compressor still not running

@user-ll6zh2bi7c 21 день назад

Technically you should check the meter FIRST on a known good voltage source. Typically a receptacle. To verify the meter is good.

@theflynlion 16 дней назад

⚡️👍🏻

@nathan4658 2 месяца назад

😁 'promo sm'

@DesignoSLK 3 дня назад

Good video for checking the compressor. Should easily be a 5-7 min video though. Holy $4!t!! Less talking, more doing!

@user-ql2bz8on7m 24 дня назад

Everything was great, but only one problem would you say that a male tech will come and talk down to you? That’s not nice why would you say that?

@rvrepairwoman 23 дня назад

😅because I have women who call me every week telling me how some male tech was super condescending to them and hoping I’ll be different. I’m not saying it WILL happen. I’m saying it DOES happen. And one way to avoid it? Learning how to test your AC yourself.

@robertbrown9147 Месяц назад

This would’ve been a lot better video if you just went and talk so damn much and just get to the point!

@rvrepairwoman Месяц назад

This would have been a better comment if I could understand what you were saying ❤️

@sandym.6389 22 дня назад

@rvrepairwomen. Perfect response to someone trying to replicate being a classless JERK. 👏👏👏

@ricklee54 16 дней назад

too long winded

@NH-Jim 15 дней назад

Than don't listen. Detail are appreciated, by some of us.

@ThomasThaItalian 24 дня назад

Most of the time it can be your start capacitor and run capacitors that go bad its a common issue. They are $13 for each one the start capacitor is back and the run capacitor is silver

@sandym.6389 22 дня назад

How does one test the capacitors and where can we purchase them, if needed? We just replaced our RVP Excelair with their recommended Coleman Mach 8. Our old RVP a/c was shot. This new Coleman Mach 8 now runs, but is just blowing ambient air. Frustrated beyond belief at the lack of instruction provided by RVP, after expending $1,560 plus $179 for shipping. Fortunately our bedroom unit still works, but can't cool enough for the entire 5th wheel, in these current 90-94 degree Louisiana heat waves.