Houghton RV air conditioner fault codes
RV roof air conditioners and their thermostats show codes for communication faults, sensor failures, or freeze protection.
How to read the code
Codes usually appear on the wall thermostat. Note whether the code clears when you cycle power, which often points to a communication issue.
Models covered: every code below applies to the Houghton Belaire 3400, Belaire 3500, Belaire 3800.
All documented codes
E0 warning
The wall thermostat (wall pad) and the rooftop unit have lost their data link and can no l… E1 warning
The room-air temperature sensor is reading as out of range, shorted, or open, so the unit … E5 warning
The outdoor (condenser) coil temperature is reading too high, so the unit shuts down or li…
The wall thermostat (wall pad) and the rooftop unit have lost their data link and can no l… E1 warning
The room-air temperature sensor is reading as out of range, shorted, or open, so the unit … E5 warning
The outdoor (condenser) coil temperature is reading too high, so the unit shuts down or li…