205 guides
RV appliance troubleshooting guides
Symptom-first guides for when there is no code on the display: not cooling, no hot water, lockouts, odors, leaks, and power problems. Each guide is limited to owner-safe checks from the manufacturer's own documentation.
All brands
- Airflow, venting, or exhaust fault
- Dometic legacy absorption refrigerator display faults
- RV appliance low-voltage warning
- RV furnace locks out or will not ignite
- RV refrigerator is not cooling
- RV refrigerator or gas appliance will not ignite on LP
- RV rooftop air conditioner is not cooling enough
- RV thermostat communication error
- RV water heater has no heat or lockout light
Coleman-Mach
- Coleman-Mach 47000 AC cooling and power check
- Coleman-Mach 47000 heat pump freezing and auxiliary heat limits
- Coleman-Mach 47000 remote-controller mode and LED check
- 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 48000 heat pump high-pressure switch lockout
- Coleman-Mach 49000 AC high-pressure lockout
- Coleman-Mach 49000 heat pump freeze-switch low heat
- Coleman-Mach 8000 Chillgrille airflow and filter check
- Coleman-Mach 9000 AC 240V cooling and filter check
- Coleman-Mach 9420-330 thermostat status LED pattern
- Coleman-Mach fan runs but compressor does not start
- Coleman-Mach heat pump blower runs below 45 F
- Coleman-Mach rooftop AC freezes from low airflow
- Coleman-Mach rooftop AC low voltage or extension-cord startup
- Coleman-Mach rooftop AC not cooling temperature split
- Coleman-Mach rooftop AC water or condensate inside
- Coleman-Mach thermostat fan only or no cooling call
- Coleman-Mach thermostat heat-pump lockout display
- Coleman-Mach thermostat shows GAS or flashing Elec assist
- Coleman-Mach Wi-Fi thermostat compatibility before upgrade
- Coleman-Mach Wi-Fi thermostat Eco, Comfort, or schedule mode surprise
- Coleman-Mach Wi-Fi thermostat will not connect to the app
- RV thermostat display shows LO, HI, or sensor code
Dometic
- Dometic Americana cleaning vents and refrigerator airflow
- Dometic Americana defrost ice buildup
- Dometic Americana not cooling temperature test
- Dometic Bluetooth CT auto fan and furnace fan behavior
- Dometic Bluetooth CT compressor time delay
- Dometic Bluetooth CT heat-pump defrost cold air
- Dometic Bluetooth CT hot-weather filter maintenance
- Dometic Bluetooth CT lost pairs after reset
- Dometic Bluetooth CT low-ambient heat-pump lockout
- Dometic Bluetooth CT mobile-device pairing
- Dometic Bluetooth CT touch display and inside temperature
- Dometic Brisk AC condensation on ceilings or windows
- Dometic Brisk AC frost on cooling coil
- Dometic Brisk AC not cooling fan and compressor triage
- Dometic CCC2 fan only or no cooling by mode and zone
- Dometic CCC2 filter icon clean and reset
- Dometic CCC2 heat pump defrost or auxiliary heat
- Dometic CCC2 hot-weather cooling performance
- Dometic CCC2 hourglass or compressor delay
- Dometic DF furnace blower runs but will not light
- Dometic DF furnace initial smoke or gas odor
- Dometic DF furnace maintenance and service boundary
- Dometic DF furnace shuts off before desired temperature
- Dometic DF furnace soot, exhaust vent, or carbon monoxide warning
- Dometic FreshJet FJX constantly switches itself off
- Dometic FreshJet FJX low air output
- Dometic FreshJet FJX not cooling within temperature limits
- Dometic FreshJet FJX not heating within temperature limits
- Dometic FreshJet FJX voltage protection and campsite power
- Dometic FreshJet FJX water enters the vehicle
- Dometic FreshJet not cooling mode selection
- Dometic OD-5001 burner ignites but water temperature is too low
- Dometic OD-5001 gas smell
- Dometic OD-5001 low heat rise or excessive flow needed to trigger
- Dometic OD-5001 no temperature control, too-hot water, or too-low water at low flow
- Dometic OD-5001 no water flow from tap
- Dometic OD-5001 power vent fan not running
- Dometic OD-5001 rapidly cycles on and off
- Dometic OD-5001 startup or lockout behavior
- Dometic OD-5001 temperature fluctuates during use
- Dometic RM10 ammonia smell
- Dometic RM10 cleaning, condensate drain, and ventilation grilles
- Dometic RM10 gas smell
- Dometic RM10 internal battery packs
- Dometic RM10 low outside temperature winter covers
- Dometic RM10 plastic smell on first gas run
- Dometic RM10 refrigerator or ice compartment door problem
- Dometic RM10 runs on gas while connected to mains power
- Dometic RUA/RUC defrosting and ice buildup
- Dometic RUA/RUC door or freezer compartment lock
- Dometic RUA/RUC first use, ventilation, and battery management
- Dometic RUA/RUC not cooling enough
- Dometic RUA/RUC user modes and temperature behavior
- Dometic RUC compressor starts then stops or will not start
- Dometic RUC display blank or refrigerator not powering on
- Dometic RUC does not cool with power present
- Dometic RUC interior temperature too low
- Dometic RUC unusual refrigerator noise
- Dometic RUC water inside refrigerator or on floor
- Dometic Single Zone LCD auto fan speed cycling
- Dometic Single Zone LCD compressor time delay
- Dometic Single Zone LCD heat-pump defrost cold air
- Dometic Single Zone LCD hot-weather filter maintenance
- Dometic Single Zone LCD low-ambient heat-pump lockout
- Dometic water heater gas smell
- Dometic water heater overheat lockout reset
- Dometic water heater P/T relief dripping or lost air gap
- Dometic water heater rotten-egg odor
- Dometic water heater soot, delayed ignition, or lazy flame
- Dometic XT water heater has low flow or cold flow
- Dometic/Atwood water heater lockout light
Furrion
- Furrion 12V refrigerator compressor cycling, low battery, or heat
- Furrion 12V refrigerator no power, service line, or reset
- Furrion Chill 2 filter, icing, or water leak
- Furrion Chill Cube filter LED, remote mode, and Max Cool
- Furrion electric fireplace no warm air during cooldown or thermostat hold
- Furrion electric fireplace red LED or proximity cutoff
- Furrion electric fireplace remote control not working
- Furrion enhanced multizone thermostat E3, mode loss, or app pairing
- Furrion furnace lockout reset after air in propane line
- Furrion furnace shuts off before set temperature
- Furrion furnace soot, yellow flame, or blocked exhaust
- Furrion furnace will not light with blower not turning on
- Furrion microwave no heat, sparks, or turntable service boundary
- Furrion range cooktop burners do not light with FFD
- Furrion range gas odor and carbon monoxide boundary
- Furrion range oven pilot flame blowout and ventilation
- Furrion range surface flame orange or burns half way around
- Furrion refrigerator door seal or door not closing
- Furrion refrigerator moisture, ice, condensation, or defrost
- Furrion refrigerator normal noises, vibration, or rattling
- Furrion refrigerator not cold enough, seals, vents, or temperature
- Furrion refrigerator service-only compressor, sensor, wiring, or refrigerant boundary
- Furrion refrigerator temperature mode, lock mode, or off-grid setting
- Furrion tankless water heater freeze mode or freeze damage
- Furrion tankless water heater low flow or low temperature
- Furrion water heater pressure relief discharge or drain tray water
- RV rooftop air conditioner leaks water inside
Lippert
- Girard GSWH-1/GSWH-1M gas smell
- Girard GSWH-1/GSWH-1M LED diagnostics or lockout
- Girard GSWH-1/GSWH-1M low flow, temperature swing, or limiting
- Girard GSWH-1/GSWH-1M winterization or freeze-risk
- Girard GSWH-2 gas smell
- Girard GSWH-2 low flow or temperature swing
- Girard GSWH-2 no hot water or lockout
- Girard GSWH-2 winterization or freeze-leak risk
- Lippert Ground Control auto level fail, excess angle, or out of stroke
- Lippert Ground Control low voltage or low battery
- Lippert In-Wall slide red or green LED fault
- RV leveling jack error
- RV slide room is stuck or controller flashes
Norcold
- Norcold absorption refrigerator display fault codes
- Norcold absorption refrigerator not cooling well on 120 V AC
- Norcold absorption refrigerator not cooling, level, or ventilation check
- Norcold absorption refrigerator power-source or startup behavior
- Norcold DC compressor refrigerator cooling or voltage symptom
- Norcold DC compressor refrigerator LED diagnostics
- Norcold DE/EV AC/DC refrigerator not cooling, defrost, or battery checks
- Norcold high-temperature sensor light or stopped-operation recall boundary
- Norcold legacy refrigerator stopped-cooling lockout
- Norcold N2000 condensation, water, or drip tray
- Norcold NV1090 cooling, night mode, defrost, and storage checks
- Norcold refrigerator door alarm, sagging door, or seal frost
- Norcold refrigerator frost, condensation, or defrost safety
- Norcold refrigerator odor or cleaning
Onan
- Onan EC-AGS+ generator does not run A/C
- Onan EC-AGS+ generator does not start in Auto Mode
- Onan EC-AGS+ unexpected generator start or stop
- Onan Energy Command AGS disabled after movement or safety input
- Onan Energy Command AUTO RUN LOW BAT or battery-sense start
- Onan Energy Command SERVICE DUE or SERVICE IN reminder
- Onan generator exhaust smell, CO detector, or ventilation shutdown
- Onan generator fuel, oil, and maintenance checks before starting
- Onan generator high-altitude derating and fewer appliances
- Onan generator low battery or slow cranking
- Onan generator no-start cranking delay or overcrank
- Onan generator running but no output or breaker/load problem
- Onan generator stopped and shows a fault code
Suburban
- Suburban cooktop burner lighting, air in line, or blowout
- Suburban cooktop yellow flame or burner will not stay lit
- Suburban electric wall heater thermostat and high-limit shutdown
- Suburban furnace airflow, overheating, soot, or closed register
- Suburban furnace blows cold air, locks out, or hits limit
- Suburban furnace low voltage, low gas pressure, or service-only supply issue
- Suburban griddle flame check, venturi, or valve service boundary
- Suburban griddle ignition, grease, or storage safety
- Suburban induction cooktop low or high voltage error
- Suburban induction cooktop sensor or internal circuit error
- Suburban induction cooktop shows no pan or incompatible cookware
- Suburban IW60RL recirculation delay or pump noise
- Suburban range or cooktop gas odor
- Suburban range oven pilot, vent, and carbon monoxide boundary
- Suburban SF-VH furnace duct-port layout, limit cycling, or weak airflow
- Suburban SF-VH return-air, register, or flex-duct airflow layout
- Suburban ST42 cold-inlet, winter-use, or not-hot-enough complaint
- Suburban tank water heater P/T relief drip or lost air pocket
- Suburban tank water heater RESET light or ignition lockout
- Suburban tank water heater rotten-egg odor or anode issue
- Suburban tank water heater winterizing, drain, or freeze risk
- Suburban tankless freeze protection or voltage protection
- Suburban tankless water heater lockout
- Suburban tankless water heater low flow or temperature swing
- Suburban water heater soot, gas smell, flame, or combustion service boundary
Thetford
- Thetford cassette toilet odor and seal maintenance
- Thetford holding-tank treatment, freeze, and sensor care
- Thetford RV toilet cleaner and seal-safe maintenance
- Thetford RV toilet leak behind toilet or at base
- Thetford RV toilet no flush or weak flush
- Thetford RV toilet winterizing and freeze-damage risk
- Thetford T2095 cooling, door seal, night mode, and storage checks
- Thetford toilet-care additive selection