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RV Simple Troubleshooting Guide
Welcome to your quick reference guide for common RV issues. This document offers basic troubleshooting steps to help you resolve minor problems and get back to enjoying your trip. Always consult your RV's owner's manual for specific details and safety warnings.
Section 1: Electrical System IssuesWhen dealing with electrical problems, remember that your RV has two main systems: the 12-volt DC system (battery) and the 120-volt AC system (shore power or generator).
Problem: No 12-Volt Power (Lights, Water Pump, Fans)This indicates an issue with your DC system.
Steps:
- Check Battery Disconnect: Ensure the battery disconnect switch (often near the entry door or on the power center) is set to the "On" or "Use" position.
- Inspect Battery Connections: Look for loose or corroded terminals on your house battery(s). Clean and tighten any connections you find.
- Check Fuses: Locate the 12-volt fuse panel (usually part of the power converter). Look for any blown fuses (a break in the metal strip). Replace blown fuses with a new fuse of the exact same amperage rating.
- Tip: Carry spare fuses of various common amperages.
This indicates an issue with your AC system.
Steps:
- Check Shore Power Connection: Ensure the power cord is securely plugged into the pedestal at the campground and into the RV inlet.
- Check Circuit Breakers (External): If the campground pedestal has a breaker, make sure it hasn't tripped.
- Check RV Circuit Breakers: Locate your RV's 120-volt breaker panel. If a breaker has tripped, it will be in the center or "off" position. Switch it completely off, then firmly flip it back to the "On" position.
- Test GFCI Outlets: If some outlets are dead, check the Ground Fault Circuit Interrupter outlet (often in the bathroom or kitchen). Press the "Reset" button.
Steps:
- Check Water Pump: If using the fresh water tank, ensure the 12-volt water pump switch is on. Listen for the pump to run.
- Check Fresh Tank Level: Confirm there is water in the fresh water tank.
- Check City Water Connection: If hooked up to city water, ensure the hose is connected, the spigot is on, and the inlet screen is not clogged.
- Check Low Point Drains: Ensure your low point drains and fresh tank drain are closed. They are typically located underneath the RV.
Steps:
- Identify Location: Determine if the leak is at the faucet head, under the sink, or at the main water inlet.
- Tighten Connections: For leaks under the sink, gently tighten the plastic or metal connections. Do not overtighten, especially with plastic fittings.
- Inspect Seals/Washers: If the faucet leaks, you may need a new washer or cartridge. Consult your RV dealer or a plumbing specialist if a simple tightening doesn't fix it.
Propane is used for the water heater, furnace, refrigerator (on gas mode), and stove.
Problem: Stove Burner Will Not LightSteps:
- Check Propane Tank Valves: Ensure the valve on the top of the propane tank is fully open.
- Check Gas Line: Turn on a stove burner and hold it for a few seconds to purge air from the line. Then, attempt to light it again.
- Verify Tank Level: Make sure the propane tank is not empty.
- Reset Regulator (If necessary): If you just refilled the tank, the regulator may be in "bypass" mode. Close all gas appliances, close the tank valve, then slowly open the tank valve again.
Problem: AC Unit Not Cooling
Problem: Furnace Will Not Turn On
Steps:
- Check Breakers: Ensure the 120-volt breaker for the A/C unit has not tripped (see Section 1).
- Clean Air Filter: Remove and clean the air filter on the ceiling unit. A clogged filter severely restricts airflow.
- Verify Power: Ensure you are plugged into a robust power source (30A or 50A service, depending on your RV) and that the voltage is stable.
Steps:
- Check Thermostat: Set the thermostat several degrees above the current room temperature and ensure it is set to "Furnace" or "Heat."
- Check Propane and 12V Power: The furnace requires both propane (for heat) and 12-volt power (for the fan and circuit board). Ensure both are working (see Sections 1 and 3).
- Check Vents: Ensure the outside furnace exhaust vent is clear of obstructions (like mud dauber nests or leaves).


