Coleman-Mach
Coleman-Mach RV appliance fault codes
14 Coleman-Mach fault codes and display messages across 7 model lines, each taken from Coleman-Mach's own manuals and support pages. Pick your appliance and model to see its full code table.
Air conditioners and thermostats
- Coleman-Mach RV thermostats 14 codes
Coleman-Mach troubleshooting guides
- RV thermostat communication error
- RV thermostat display shows LO, HI, or sensor code
- RV rooftop air conditioner leaks water inside
- Coleman-Mach rooftop AC not cooling temperature split
- Coleman-Mach rooftop AC freezes from low airflow
- Coleman-Mach rooftop AC low voltage or extension-cord startup
- Coleman-Mach fan runs but compressor does not start
- Coleman-Mach rooftop AC water or condensate inside
- Coleman-Mach thermostat fan only or no cooling call
- Coleman-Mach heat pump blower runs below 45 F
- Coleman-Mach Wi-Fi thermostat will not connect to the app
- Coleman-Mach Wi-Fi thermostat compatibility before upgrade
- Coleman-Mach Wi-Fi thermostat Eco, Comfort, or schedule mode surprise
- Coleman-Mach 48000 heat pump high-pressure switch lockout
- Coleman-Mach 48000 AC cool-night evaporator ice-up
- Coleman-Mach 48000 AC short-cycle breaker trip
- Coleman-Mach 48000 Elect-A-Heat is not a furnace
- Coleman-Mach 47000 AC cooling and power check
- Coleman-Mach 47000 heat pump freezing and auxiliary heat limits
- Coleman-Mach 49000 AC high-pressure lockout
- Coleman-Mach 49000 heat pump freeze-switch low heat
- Coleman-Mach 9000 AC 240V cooling and filter check
- Coleman-Mach 8000 Chillgrille airflow and filter check
- Coleman-Mach 47000 remote-controller mode and LED check
- Coleman-Mach thermostat shows GAS or flashing Elec assist
- Coleman-Mach thermostat heat-pump lockout display
- Coleman-Mach 9420-330 thermostat status LED pattern