Truma 6e won't work on gas (1 Viewer)

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Aug 7, 2013
286
172
South Wales
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MH
swift kontiki
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I'm a newbie bought our first motorhome 7months ago and love it
our Truman 6e won't work. On gas everything operates ok on electric but when we switch to gas the fan starts it runs for about 20seconds and the. Shuts down the gas is on to the heater
 

TerryL

LIFE MEMBER
Mar 5, 2010
6,244
8,296
North East
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10,511
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Low Profile
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2009
Has it worked recently or did this happen suddenly? Do your gas rings work OK?

Could be igniter failure, dirty/blocked jet. Or the gas regulator blocked or starting to fail. Not really expert enough to take it further but someone is sure to come along shortly (or already has!)
 

Dazzlin

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Oct 31, 2012
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La Marina, Costa Blanca.
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None anymore! šŸ˜­
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From 2013
We had this prob a few weeks ago. Red light on boiler dial. Fridge and hob ok. Gas full and no prob with flue.
Next day hob flame went lower than usual.
Changed gas regulator with spare and bingo.
Saved a few bob as I had read that the pcb goes and was expecting Ā£300 bill.
Good luck
 

motorhomer

Free Member
May 17, 2008
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South Shropshire
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since 2005 (but 30 years caravanning)
Need more info.
If the hobs and oven are all OK then it suggests the problem is in the boiler and not the gas supply. If not then try a new regulator.

Does the red light come on when it fails?

If so there will be a failure code flashed on the lights on the boiler itself. This will be first thing asked for if you need to go to a truma engineer. You will need to get to the boiler itself to find this,

This happened to me a few years ago. In my case it was a fault in the boiler and they replaced it under warranty.

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Jul 5, 2013
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Tunbridge Wells, Tunbridge Wells, UK
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Since 2013
Had exactly the same problem with mine a few weeks ago. Took it to Johns Cross. They were very helpful - eventually turned out to need a new main pcb - Ā£288 including VAT - the main cost was the new pcb at Ā£190 plus VAT!!
 
Jan 24, 2010
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Adria Twin
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Since 2007
Another thing to check before heading off to part with serious cash

There are two fans, one for the flue and burner which is the smaller of the two fans, and the blower fan give these a clean..especially the blower. We had a fault last year and error codes were pointing to pcb but after much googling stumbled kn the fan suggestion. Gave ours a good clean ,as it was seriously caked in dust and, all was good after. And bonus being blow air worked better too!!

Apparently its reccomended to do this at least twice a year. ..
 

Judge Mental

Funster
Deceased RIP
Sep 2, 2009
6,650
5,883
Sarth London
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8,272
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Possl 636 FR panel van
Exp
1994 and beyond...
not sure what valve you have but I have had 2 truma securemotion valve failures with similar symptoms. would never have another!
 

Bartyfixedit

LIFE MEMBER
Jun 11, 2014
332
568
Maidstone Kent
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Self Build Ducato L4H3
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Since 1987
One thing to check is whether or not the gas supply is being shut off, probably by the gas valve. Turn on one of the gas rings on the cooker and now try and restart the Truma. You may well find that as the heater tries to fire the gas ring will go out. This is an indication that the flow valve mentioned in my other post has shut. If that is the case you need to contact gas it and obtain a valve with a higher flow rate.

Cheers

David.
 

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