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Old 01-16-2015, 08:22 PM   #1
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2004 Grand Surveyor water heater/frig/heat/ac not working

I need help, I have read i another forum about a "thermo coupler reset" switch which was posted around 2012. my friend has a 2004 model and we can not find the thermo coupler reset switch on it. Did this year model come with a reset switch, if so where may it be located? We have checked all the electrical fuses, breakers, gfi plugs ect and all has power. It is hooked up to electricity, the gas stove works just fine as well. Please, any help would be greatly appreciated. Going to try and attach 2 pics from outside panel behind refrigerator.
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Old 01-16-2015, 09:17 PM   #2
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Help us help you. Why does your title mention water heater/frig/heat/ac not working but you only posted pics of the back of the fridge? Are you thinking all of these appliances have failed because of something in the fridge?
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Old 01-17-2015, 04:54 PM   #3
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why only picture of back of refrigerator is posted

I only put the pictures of the back of the refrigerator because the other thread I read said something about a "thermo coupler reset switch" located in the chimney stack looking thing in refrigerator compartment. That thread was written in 2012, and this model is a 2004, so does it have that same reset button, does the thermo coupler need to be replaced, or is there a relay,or reset switch that would make all three big things not work refrigerator, water heater, ac/heat?
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Old 01-18-2015, 04:39 PM   #4
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I don't know what to tell you. I don't know anything about your particular unit and I've learned not all units are alike... but there's very little of this that makes any sense to me.

- RV refrigerators can operate on gas (they need 12v DC in gas mode) OR electricity (110v AC).
- RV water heaters can operate on gas (they need 12v DC in gas mode) AND/OR electricity (110v AC).
- RV air conditioners and RV heaters are usually two separate devices... not "ac/heat" as you have described (unless there is an odd AC unit with an electric heater coil). So these are not 3 big things but 4.
- RV air conditioners have no gas operation nor 12v DC operation. They need 110v AC shore power or generator electricity.
- RV furnaces operate on gas only (need 12v DC).
Thermo couplers are used on gas appliances to help control gas valves. If a thermo coupler does not sense heat in a gas burning appliance, it turns off (or leaves off) the gas valve so that the device doesn't explode and blow your head off. Since an RV air conditioner does not use gas, it is in no way affected by a thermo coupler nor a thermo coupler "relay" or "reset switch". It may be that an RV air conditioner requires 12v DC in its thermostat. IF SO, the 12v DC system is the only constant among these FOUR major appliances.

Maybe my post will bump your question back into the main stream since I see you're not getting the same help others get on their questions. I suspect others are having difficulty making sense of this thermo coupler fix-all to which you refer. Sorry.
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Old 01-18-2015, 06:10 PM   #5
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The only thermo cut-out I know of is in the flue pipe of the fridge, if you have it. Not all fridge have this. Usually there is a reset button on it that you need to push to re-set.
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Old 01-18-2015, 08:34 PM   #6
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Quote:
Originally Posted by fonzie View Post
The only thermo cut-out I know of is in the flue pipe of the fridge, if you have it. Not all fridge have this. Usually there is a reset button on it that you need to push to re-set.
... but it won't make everything else in the trailer work.
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