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Thermostat in motorhome quit working

It is lit up, but cannot change any settings, can't select zones, and heater/ac is not working now at all apparently because the thermostat is no longer controlling it. It worked last night, but quit sometime before daylight.

It is a heat pump/AC system by RV Products, a division of Airxcel, Inc. Thermostat is by RV Products and is called a 8330A335 multi zone thermostat controller system

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Try removing power from t-stat and leave off for one minute and power back up see if resets

Posted on Nov 24, 2008

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question: do you have a multiple thermostat setup in 1 zone? If so check what settings are for your heat on each thermostat. Make sure that the heat is not set higher than the room's temperature.
check what settings are for your cooling on each thermostat. Make sure that the cooling is set accordingly.

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May I suggest to keep an extra thermometer around to determine if temperature reading accurately?

If reset requires a reprogramming to your t-stat, do whatever required to set your desired setting.

cheers, best of luck. i hope i've helped.

background, doing a hard reset in my opinion is similar to removing the battery from a PC motherboard.

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Sounds like the thermostat may be wired wrong. From what you describe, the igniter element is coming on, as though you are calling for heating. Do you allow the ignitor to keep going and see if the gas fires off, or are you seeing this and shutting down the system immediately?

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