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Old 12-04-2011, 07:27 AM   #1
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Join Date: Dec 2011
Posts: 1
Heater and ac will not work

My heater and A/C quit working. I replaced the thermostat, but still nothing. I am not getting 7.5 volts to the thermostat. Where does the 7.5 volts originate? All fuses test good in the converter. Everything else works in the camper.

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Old 12-04-2011, 08:38 AM   #2
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Posts: 855
RV thermostats use 12VDC. I would start by tracing the power to the thermostat and see why you do not have 12VDC.

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Old 12-04-2011, 11:48 AM   #3
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Location: Winston-Salem, NC
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We need model number on Furnace, AC, and Thermostat. Does the thermostat control both? Do you have 12 volt power, verified with a voltmeter? Does you monitor panel work? Do you have propane, verified by lighting a stove burner for 3 or more minutes?

Sorry, lot of questions, but we have little to go on. May also help to have year and Make and Model of your camper. Also keep a list of things you have checked, and why, and post them. For instance, why do you think the thermostat should have 7.5 volts?

One last thing, for the AC to work, you will have to have shore power, at least 30 amps, not using an adapter and plugged in to a standard wall outlet.
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