For Rv Rooftop air conditioner troubleshooting you need to understand the air conditioning system itself. Not always the guide can help, but a good manual, written in plain language, should always be at hand. The table below may let you to determine the cause of failure and also to eliminate it.
|SYSTEM HEAT||SYSTEM OFF||SYSTEM COOL||FAN AUTO||FAN||OPERATION|
|On||Off||On||Off||On||Operation of all components Is stopped|
|On||Off||On||On||Off||Cooling fan runs continuously. No compressor operation.|
|On||On||Off||Off||On||Cooling blower and compressor cycle with thermostat.|
|On||On||Off||On||Off||Cooling blower operates continuously. Compressor cycles with thermostat.|
|Off||On||On||Off||On||Heating system and blower cycle from thermostat.|
|Off||On||On||On||Off||Heating system cycles from thermostat. Cooling blower operates continuously.|