RV appliance fault codes, decoded

Your fridge, furnace, water heater, A/C or leveler just threw a code or a blink pattern. Find out what it means, what’s most likely causing it, the safe checks to try, and how to reset — across every major RV brand.

Browse by appliance

Air Conditioners
RV air conditioner error codes Power Converters
RV power converter problems Portable Coolers
Dometic cooler error codes Furnaces
RV furnace fault codes Generators
RV generator fault codes Inverters
RV inverter fault codes Leveling Systems
RV leveling system error codes Refrigerators
RV refrigerator error codes Slide-Outs
RV slide-out error codes Solar Charge Controllers
RV solar charge controller error codes Toilets
RV toilet warning lights Water Heaters
RV water heater fault codes

Browse by brand

Alde
2 codes Atwood
11 codes Coleman-Mach
12 codes Dometic
43 codes Furrion
6 codes Girard
8 codes Go Power
3 codes Lippert
17 codes Norcold
13 codes Onan
13 codes Progressive Dynamics
5 codes Renogy
8 codes Suburban
11 codes Thetford
4 codes Truma
20 codes Victron Energy
9 codes WFCO
3 codes Xantrex
5 codes

Why RVCodeFix

Most RV fault-code answers are buried in 40-page forum threads or behind paywalls. We compile the factual code → meaning mapping from manufacturer service documentation into one clean, fast, free reference — each page with ranked causes, safe DIY checks, the reset procedure and a clear “when to call a tech” line. We currently cover 193 codes and are adding more brand by brand.