Fix it with free RV tools and plain-English guides

60 checklists that say what to test, in what order. Free tools, and a repair directory covering all fifty states.

Something is broken Furnace, fridge, water heater, AC, 12 volt, slides, leaks and 54 more. Each one says what to test first, in what order. Troubleshoot it Need a tech instead? Mobile techs and shops in all fifty states Find RV service Web tools 15 free RV web tools. No account, no sign-up Work out the numbers Manuals Owner manuals by system and by brand, plus the federal recall file Open the manuals

15

RV tools, all free

61

RV troubleshooting guides

2025

RV repair businesses listed

What is your RV doing?

61 RV troubleshooting guides, each one a checklist: what to check, in what order, and the numbers that decide whether you are safe. Start with the symptom, not the part.

Heating, cooling, and appliances

Furnace will not light, fridge not cooling, water heater, air conditioner, tank sensors.

Furnace dead · fridge warm · no hot water · AC not cooling

Electrical and charging

Battery not charging, converter, solar, generator, fuses, outlets and lights.

No 12 volt power · battery drains · outlets dead · fuse blows

Water and plumbing

Pump will not prime, low pressure, toilet not flushing, black tank, sewer smell.

No water · weak pressure · toilet stuck · sewer smell inside

Body, slides and jacks

Leaks, delamination, frame cracks, slide out stuck, awning, steps, jack faults.

Roof leak · slide will not move · awning stuck · steps dead

Tires, towing and weight

Can my truck tow it, pin weight, tire age, brakes, bearings and trip prep.

How much can I tow · tire age · brakes required · setup level

Winterizing the plumbing, battery storage, tires through winter, roof snow load.

First freeze coming · storage charge · flat spots · snow on the roof

The problems owners hit first

Six guides that answer the questions this site gets most, written for someone who has never owned an RV.

RV Furnace Not Working

Sail switch, airflow, flame sense, in the order to test them.

Water Heater Not Heating

ECO reset, and whether you are on gas or electric.

RV Water Pressure

Regulator, inlet, park supply. Why the shower is weak.

Fridge Not Cooling

Leveling, thermistor, cooling unit.

How Much Can I Tow?

Payload, GCWR, and the 80% rule.

Maintenance Schedule

What to check, and when, across a full year.

All 61 RV guides, grouped by system

New to RVing?

What each system does, what to check before you tow, and where to look first when something stops working. Written for someone who has never owned an RV.

Start here → the first-timer's walkthrough

Browse all 61 RV guides

Open a system to see every guide in it. Each one is a checklist with the numbers that decide whether you are safe.

11 Electrical and charging

Battery Not Charging Lithium Battery Not Charging Battery Disconnect Switch Generator Sizing RV Electrical Problems Converter Not Charging Solar Not Charging Generator Not Charging Fuse Keeps Blowing Outlets Not Working Lights Not Working

13 Heating, cooling, and appliances

Propane Tank Won't Fill Propane Detector Beeping RV Refrigerator Not Cooling RV Water Heater Not Heating Anode Rod and Flush RV Air Conditioner Not Cooling RV Furnace Not Working RV Tank Sensors Reading Wrong Fridge Leveling Furnace and Carbon Monoxide Off-Grid Heating Two Appliances Stopped Propane: Furnace Won't Light

9 Water and plumbing

Black Tank Clogged Water Pressure Macerator Toilet Won't Flush Sewer Smell Inside Water Pump Won't Prime Black Tank Black Tank Routine Toilet Not Flushing Winterize Your Plumbing

14 Body, slides and jacks

Chassis Battery and Charging Entry Steps Not Working Entry Door Won't Latch Window Leaking Engine Overheating Awning Not Working Maintenance Schedule Roof Leak Repair Slide Out Not Working Leveling Jacks Not Working Slide-Out Leaking Sidewall Delamination Frame Cracks and Welds Condensation Inside

10 Tires, towing and weight

Level Towing Setup How Much Can I Tow? Trailer Wheel Bearings When to Replace RV Tires Towing a Trailer Driving a Motorhome Pre-Trip Walkaround RV Trip Planner Pin Weight and Payload Trailer Brakes: When Required

4 Winter storage

Battery Care in Cold Tires Through Winter Roof Under Snow Load RV Froze: What to Check

Work out the numbers before you spend

15 calculators, no account and no sign-up. Each one answers a single question.

RV Weight & Towing Calculator

Can your truck tow it? Payload, GCWR, and the 80% rule.

Fuel Cost Calculator

What the trip costs at the pump, for any vehicle.

Solar Sizing Calculator

How many watts of panel your battery bank needs.

Battery Runtime

How long the house batteries last on a given load.

What your hookup can actually run at once.

Tire Date Code Decoder

Read the DOT code off the sidewall and know when to replace.

RV Recall Lookup

Check a unit against the federal recall file.

How much weight your roof is carrying right now.

All 15 RV tools

Every part, and every place that fixes them

All 210 RV parts by system, with what each one does and what it costs when it fails. Plus a repair directory that covers every state.

Towing and running gear

Hitches, axles, brakes, bearings, tires. The gear that strands you.

Power and electrical

Converters, batteries, solar, shore power, fuses and breakers.

Water and plumbing

Pumps, filters, regulators, water heaters, the fresh side of the coach.

Exterior and body

Roof, sealant, windows, doors, awnings, slides. The shell.

Kitchen and appliances

Fridges, ranges, cooktops, and the boards that run them.

Heating and cooling

Furnaces, air conditioners, heat pumps, and the ducts between them.

Sanitation and tanks

Toilets, holding tanks, valves, sensors, the sewer connection.

Chassis and drivetrain

Motorhome only: the truck underneath the house.

Tanks, regulators, pigtails, detectors, and what carries the gas.

Need someone to do it for you?

Mobile technicians and RV service centers in all fifty states. Search by ZIP or town, or browse your state.

Find RV service near you Owner manuals

List your RV repair business

A mobile tech or a service center, listed in the state and town you work in. Free to be listed, and you control the details on the listing.

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Who writes this

About OriginRV introduces the author behind these pages. Found something wrong, or a topic that should be here? Get in touch.