Houghton RV fault codes

Houghton RV air conditioners are common in caravans and campervans. Faults show as E-codes on the controller.

Air Conditioner

E0
The wall thermostat (wall pad) and the rooftop unit have… E1
The room-air temperature sensor is reading as out of ran… E5
The outdoor (condenser) coil temperature is reading too …