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Old 05-01-2017, 12:58 AM   #1
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Coach Ac stopped working

Middle of a sunny day in So Cal beach camping and our Ac stopped. I reset the breaker under the bed and nothing then reset the breaker on the generator and nothing? We were plugged in to pedestal when it happened. Any thoughts would be appreciated
Lance
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Old 05-01-2017, 01:16 AM   #2
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Originally Posted by Classictint View Post
Middle of a sunny day in So Cal beach camping and our Ac stopped. I reset the breaker under the bed and nothing then reset the breaker on the generator and nothing? We were plugged in to pedestal when it happened. Any thoughts would be appreciated
Lance

I am assuming "Ac" means 120v, not air conditioning. If you don't have 120v from shore power or generator, you might check the transfer switch for loose or burnt connectors. We lost both shore power and generator power on our VEGAS and turned out to be burnt connectors in the transfer switch. Just stripped the insulation from the wires and replaced the wirenuts
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Old 05-01-2017, 01:18 AM   #3
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I meant coach "Air conditioning"
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Old 05-01-2017, 02:01 AM   #4
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OK... so the air conditioning stopped - but you still has power for other 110v things (microwave, TV, etc)...

I am assuming only one A/C unit in the rig?
If plugged into the pedestal - the breakers on the generator aren't in play

If only the A/C is not working - I would start with the thermostat. As you slide the temp gauge down - you should hear it click on.. (Note that many thermostats have a delay that once the A/C is on - and turned off - it won't turn back on for 2 min. This is to protect the compressor which can be damaged applying power while still under pressure from previous run.)

Does the A/C fan work? (just not cooling? or nothing?)

Should help point us down the right direction...
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Old 05-01-2017, 02:07 AM   #5
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Coach Ac stopped working

Everything else works I tried sliding the gauge but have nothing (no fan ) I wasn't worried about it too much because I have an appointment tomorrow to drop it off for some other issues but when I looked at my appointment book I realize my appointment was for last Tuesday not this Tuesday duh Hahahaha
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Old 05-01-2017, 02:08 AM   #6
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Was planning on swapping the thermostat for a digital one. Guess it's a good time to do it
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Old 05-01-2017, 01:14 PM   #7
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Was planning on swapping the thermostat for a digital one. Guess it's a good time to do it
Check that you have 12v power to the thermostat... Might be a blown fuse on the 12v side of things.

Pics and wiring info:
Coleman Thermostat Wiring Diagram. Coleman. Home Wiring Diagrams
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Old 05-01-2017, 02:40 PM   #8
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Gmc
Yes I have today off of work so I was gonna change the glass fuse and see if that works. Is there another fuse that I should check?
Thanks a bunch
Lance
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Old 05-01-2017, 03:13 PM   #9
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There is a glass fuse in the thermostat - but everything 12v has a fuse on the lines leading to it... Multiple 12v fuse blocks - but I would expect this one to be near the power converter... On my Hurricane, it is located in the base of the queen bed right next to the 110 circuit breaker box.
Can't tell you which one - but not difficult to check them all at that location - at least when the slide is out in my case.

Other fuse blocks are under the hood, and at the drivers left foot but wouldn't expect thermostat power to come from those.
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Old 05-01-2017, 03:22 PM   #10
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I'll check the fuses on the panel luckily for me the panel faces the hall so I don't have to open the slide
Will update after autozone opens and I replace the fuse (fingers crossed)
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Old 08-29-2017, 03:26 PM   #11
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Classictint, wondering what u found the problem to be?
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