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Topic: Truma heater not igniting

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roz84

via mobile 04/4/2026 at 6:55pm
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We just got a "new to us" Adria (2004), the trumatic heater isn't igniting, has anyone got any tips for what to look at

please?

David Klyne

04/4/2026 at 8:36pm
Location: Milton Keynes
Outfit: Retired motorhomer

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Probably needs a new battery assuming its the same as the one we had in a previous caravan. That bottom panel should be able to be removed to give you access? Have you the service book? If not a search online should bring up the instructions.

David

Dave and Cyn

via mobile 04/4/2026 at 8:47pm
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Same heater as on our van.
Bottom right hand corner behind the panel is a little black box containing a AA battery. I find it I lie down on the floor with a long screwdriver I can lift the slide flap, ease out the battery and with a bit of care get the new battery in and close the flap.
Bit fiddly but I find it easier than having to take the front cover off.

roz84

via mobile 04/4/2026 at 9:11pm
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No we've not got any instructions with it - however I will investigate if it's simply a battery!! Thanks for the advice

roz84

via mobile 06/4/2026 at 8:51pm
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So we think the ignition box is dead - no life whatsoever after taking it out and testing it with a brand new battery so we're going to fit a piezo ignition which is far cheaper than the £100 that a new ignition box costs!!!

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