20 Most Recent Dometic 3312024.015 Duo Therm Comfort Control 2 CCC2 Champagne - Page 9 Questions & Answers

defective thermostat, relay module, or communication cable between them

check dc fuse

check breaker and fuses it needs 120 volts a.c. and 12 volts dc to run

remove the cover off a/c on roof. should be able to see if fan blade or squirrel cage are hitting anywhere while running.

relay module, communication cable, t-stat

thermostat, communication cable, relay module

interior sensor bad or not communicating with t-stat

replace capacitors first.

might have to remove cover on roof to isolate noise.

when you trip breaker it will give e7 code. something pulling to many amps. heat and ac running at same time.

lost 120 volts to relay board.

sounds like it is low on freon

thermostat,' relay module or cable communicating from stat to modem

it is external to rv

no you have to install line tap valve for that.

relay module

may have to reprogram it.

indoor temperature sensor bad or not communicating.

duct work issue.

try replacing compressor capacitors