Jolly Campers

Start here if something isn’t working. Learn how to quickly identify the issue and find the right solution for your camper.

Not sure what’s wrong? Start here

Fix Truma heater error codes 412, 645 or 42 by checking the window sensor and following simple steps to reset the system.

Truma heating – Error 412 / 645 / 42 (Window sensor issue)

Fix Truma gas-related error codes by checking the gas supply, valves, and system setup, with video guidance.

Truma heating – Error 112 / 121 / 122 / 202 / 211 / 212 / 408 / 507 / 516 / 517 (Gas supply issue)

Having trouble with your camper heating? Don’t worry. Heating issues are often caused by low battery power, gas supply or simple settings and can usually be resolved in a few…

Heating Not Working?

No hot water in your camper? Don’t worry. In most cases this is caused by settings, gas supply or simply not allowing enough time for the system to heat up.

No Hot Water?

No water coming from your camper taps or shower? Don’t worry. This is often caused by an empty water tank, the water pump being switched off, or air in the…

No Water?

Is your camper fridge not cooling or not turning on? Don’t worry. In many cases this is caused by power settings, low battery levels or simply not giving the fridge…

My Fridge Is Not Working

Having trouble removing the toilet cassette? Don’t worry. In most cases this is caused by the toilet blade remaining closed, the service hatch being locked, or the cassette not being…

Toilet Cassette Won’t Come Out

Is your VW Grand California camper display screen frozen, black or not responding? Don’t worry. This is a known issue and can often be fixed with a simple system reset.

VW Grand California Display Screen Not Working

Seeing a Truma error code on your camper display? Don’t worry. Most Truma issues are caused by low battery voltage, gas supply interruptions or temporary communication errors and can often…

Truma Error Code Showing

Find quick solutions to common issues during your trip. Select your camper type to get the most relevant instructions.

Troubleshooting

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