— RV Troubleshooting —

Real fixes for real RV problems.

No forum runaround, no sales pitch. Walk through the exact checks a mobile RV tech would run, in the order they'd run them.

Water pump not working

Pump won't prime, runs constantly, or pulses. Seven checks before you call a tech.

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Slide-out won't retract

Stuck slide on checkout day? Manual override steps for Lippert, Power Gear, and Schwintek.

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Fridge not cooling

Absorption vs compressor, leveling, ventilation, and the ammonia smell test.

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Onan generator won't start

No crank, cranks but won't fire, or blinking fault codes. Full diagnosis.

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Leveling jacks stuck down

Manual retract procedures for hydraulic and electric jack systems.

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Furnace blowing cold air

Suburban and Atwood furnace diagnosis. Low voltage, sail switch, and vent blockages.

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Toilet won't flush

Flush ball seals, stuck pedals, and the dreaded black tank pyramid clog.

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Battery not charging

Converter output, parasitic drains, corrosion, and lithium BMS basics.

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AC not cooling

Amps, airflow, frozen coils, and when the compressor is actually bad.

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Awning stuck

Manual override for Carefree, Dometic, and Lippert power awnings.

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Water heater not hot

Atwood and Suburban diagnosis. Bypass valves, GFCIs, and thermocouples.

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Propane detector beeping

Real leak vs end-of-life chirp. Beep codes and the soap-bubble test.

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Tank sensors stuck on full

The drive-and-slosh, Geo Method, and how to actually clean the probes.

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Roof leak around a vent

Find the real source, identify your roof type, and reseal it the right way.

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Dometic Penguin II not cooling

Brand-specific gotchas: foam baffles, thermistor placement, capacitor.

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Lippert slide motor clicking

Voltage, fuses, and the H-bridge relay. Schwintek-specific notes.

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RV glossary

50+ RV terms in plain English. From boondocking to GVWR to Schwintek.

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Seasonal RV prep checklist

Spring, summer, fall, winter. Year-round maintenance to prevent the most common RV failures.

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RV converter not working

No 12V from shore power. Multimeter test, WFCO and Progressive Dynamics replacement basics.

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Water tastes like plastic

Bleach sanitize procedure, filter setup, and the new-tank break-in routine.

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TPMS not reading a sensor

TST, TireMinder, EEZ TIRE diagnosis. Battery, pairing, signal range, repeater placement.

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Cabover bed leak (Class C)

Front cap leaks. Garden hose test, common entry points, the right sealants to use.

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Power cord melted at the plug

30A and 50A plug failures. Why it melts, how to replace, and why you need an EMS.

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Fridge on 12V while driving

Compressor vs absorption, propane safety while moving, what's actually safe to run.

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9 free RV apps worth downloading

The best free RV apps for trip planning, campsites, fuel, dump stations, weather.

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Using AI for RV troubleshooting

Honest comparison of ChatGPT, Camphost, RV forums, and Google for RV problems.

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Can't find your issue?

Camphost is the free AI co-pilot for RV renters and owners. Ask anything, in plain English, and get a real answer.

Open Camphost