RV Repair Diagnostic Library

Common repair questions that can be taken into the live diagnostic system or used to prepare for a mobile service appointment.

• Battery keeps dying? Electrical / Batteries
• Battery will not charge on shore power? Electrical / Batteries
• Battery will not charge while towing? Electrical / Batteries
• Battery voltage drops quickly? Electrical / Batteries
• Battery disconnect does not work? Electrical / Batteries
• 12-volt lights are dead? Electrical / Batteries
• 12-volt lights flicker? Electrical / Batteries
• 12-volt lights are dim? Electrical / Batteries
• Converter fan runs constantly? Electrical / Batteries
• Converter is not charging? Electrical / Batteries
• Converter blows fuses? Electrical / Batteries
• Converter makes a buzzing noise? Electrical / Batteries
• Reverse-polarity fuses keep blowing? Electrical / Batteries
• DC fuse keeps blowing? Electrical / Batteries
• Battery cables get hot? Electrical / Batteries
• Lithium battery will not wake up? Electrical / Batteries
• Lithium battery BMS shuts down? Electrical / Batteries
• Battery monitor reads incorrectly? Electrical / Batteries
• Chassis battery drains while parked? Electrical / Batteries
• House battery drains while parked? Electrical / Batteries
• Shore power works but battery power does not? Electrical / Batteries
• Battery power works but shore power does not? Electrical / Batteries
• 30-amp RV has low voltage? Electrical / Batteries
• 50-amp RV has power on only one leg? Electrical / Batteries
• Main breaker keeps tripping? Electrical / Batteries
• Branch breaker keeps tripping? Electrical / Batteries
• GFCI will not reset? Electrical / Batteries
• Some outlets are dead? Electrical / Batteries
• All outlets are dead? Electrical / Batteries
• Outlet has reversed polarity? Electrical / Batteries
• Transfer switch will not switch to shore power? Electrical / Batteries
• Transfer switch will not switch to generator? Electrical / Batteries
• Transfer switch chatters? Electrical / Batteries
• Power management system sheds loads unexpectedly? Electrical / Batteries
• Surge protector will not pass power? Electrical / Batteries
• Inverter will not turn on? Electrical / Batteries
• Inverter shuts down under load? Electrical / Batteries
• Inverter shows low-voltage fault? Electrical / Batteries
• Inverter charger is not charging? Electrical / Batteries
• Inverter outlets are dead? Electrical / Batteries
• Solar controller shows no charging? Electrical / Batteries
• Solar charging is too low? Electrical / Batteries
• Solar controller shows overvoltage? Electrical / Batteries
• Solar panels charge intermittently? Electrical / Batteries
• DC-to-DC charger is not charging? Electrical / Batteries
• 7-way charge line is not charging trailer battery? Electrical / Batteries
• Electric tongue jack has no power? Electrical / Batteries
• USB outlets do not work? Electrical / Batteries
• 12-volt socket does not work? Electrical / Batteries
• RV electrical system has an intermittent power loss? Electrical / Batteries
• Furnace blower runs but burner does not ignite? Furnace / Propane
• Furnace ignites then shuts off? Furnace / Propane
• Furnace blows cold air? Furnace / Propane
• Furnace will not turn on? Furnace / Propane
• Furnace cycles too frequently? Furnace / Propane
• Furnace blower will not stop? Furnace / Propane
• Furnace makes a squealing noise? Furnace / Propane
• Furnace makes a grinding noise? Furnace / Propane
• Furnace smells unusual? Furnace / Propane
• Furnace produces weak airflow? Furnace / Propane
• Furnace works only with fully charged batteries? Furnace / Propane
• Furnace works intermittently? Furnace / Propane
• Furnace fails in cold weather? Furnace / Propane
• Furnace has an ignition lockout? Furnace / Propane
• Furnace has no spark? Furnace / Propane
• Furnace sparks but gas does not ignite? Furnace / Propane
• Furnace lights with a delayed ignition? Furnace / Propane
• Furnace flame goes out after ignition? Furnace / Propane
• Furnace limit switch keeps opening? Furnace / Propane
• Furnace sail switch does not close? Furnace / Propane
• Propane will not flow to any appliance? Furnace / Propane
• Propane flows to stove but not furnace? Furnace / Propane
• Propane flows to one appliance only? Furnace / Propane
• Propane regulator freezes? Furnace / Propane
• Propane regulator makes noise? Furnace / Propane
• Propane pressure is low? Furnace / Propane
• Propane pressure is too high? Furnace / Propane
• Automatic changeover regulator does not switch tanks? Furnace / Propane
• Propane detector alarms? Furnace / Propane
• Propane smell is present near an appliance? Furnace / Propane
• LP tank appears full but appliances do not work? Furnace / Propane
• LP cylinder valve causes excess-flow shutdown? Furnace / Propane
• Propane hose or pigtail is leaking? Furnace / Propane
• Propane appliance flame is yellow? Furnace / Propane
• Propane appliance flame is weak? Furnace / Propane
• Propane appliance flame lifts off burner? Furnace / Propane
• Furnace thermostat does not call for heat? Furnace / Propane
• Furnace thermostat temperature is inaccurate? Furnace / Propane
• Furnace duct has little airflow? Furnace / Propane
• Furnace overheats and shuts down? Furnace / Propane
• Furnace control board has no output? Furnace / Propane
• Furnace gas valve has no voltage? Furnace / Propane
• Furnace igniter is not sparking? Furnace / Propane
• Furnace electrode will not sense flame? Furnace / Propane
• Furnace blower motor draws high amperage? Furnace / Propane
• Furnace fuse keeps blowing? Furnace / Propane
• Furnace works on bench but not installed? Furnace / Propane
• Furnace will not restart after lockout? Furnace / Propane
• Furnace exhaust has soot? Furnace / Propane
• Furnace needs annual service? Furnace / Propane