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post #1 of 15 (permalink) Old 29-12-2020, 13:28 Thread Starter
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Truma 4 e issue

Hi all

Just wondering if anyone has any idea as to why the heater fires up fine, in both electric and gas modes, runs for about 15 seconds then cuts out with the red warning light on the switch showing. Hooked up to the mains, gas bottles are full. I see some folks mention an error message showing, where does the message display?

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post #2 of 15 (permalink) Old 29-12-2020, 13:53
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Outside cover on? Overheating?

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post #3 of 15 (permalink) Old 29-12-2020, 23:11
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Not sure re displayed codes but do recall folk mentioning faulty separate room temperature sensors, have you one fitted worth checking if you have.

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post #4 of 15 (permalink) Old 30-12-2020, 07:56
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A faulty room temperature sensor might cause the cutout but it wouldn't cause the red warning light to come on, would it Terry?

Jean
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post #5 of 15 (permalink) Old 30-12-2020, 16:41 Thread Starter
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Thanks for the replies everyone. It's working on electric now but still not on gas. Really weird. Tried to find the reset button, no sign anywhere, the heater is back to front in the van rendering easy access to the front panel impossible.
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post #6 of 15 (permalink) Old 30-12-2020, 22:57
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Are you using propane gas goho? Butane doesn't work well in the cold.
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post #7 of 15 (permalink) Old 31-12-2020, 10:06
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Red light failure can be down to low gas pressure, also voltage not between parameters, could be the PCB.

Google the model for PDF manual.
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post #8 of 15 (permalink) Old 31-12-2020, 12:28
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Found this while looking for details myself.

https://motor-roam.co.uk/truma-truma...roubleshooting
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post #9 of 15 (permalink) Old 31-12-2020, 12:41
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post #10 of 15 (permalink) Old 31-12-2020, 14:11 Thread Starter
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Thanks again everyone, call to Derby next week I reckon. Happy New year.
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