Truma heating system

[Sue coulson]

Hi everyone
My truma heating system has a problem. When system is off and cold fan still goin all the time?? Any clues??
Regards
Sue

 

[Lenny HB]

Have you by accident set it to "Vent"?

 

[Sue coulson]

?? Don't think I have a vent switch??

 

[Lenny HB]

?? Don't think I have a vent switch??

Do you have the CP-Plus digital Controler?

 

[Sue coulson]

No trumatic c6002 eh

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[Lenny HB]

No trumatic c6002 eh

That has the classic controller so no vent.
Does it work OK in normal use?

I've not heard of that fault before might pe worth trying a reset, there is a reset button on the PCB under the plastic cover on the front of the boiler.

 

[Sue coulson]

Hi yes it does done reset already.

 

[Lenny HB]

Just had a quick search, the fan will continue running if the heater is hot so it could be a faulty temperature sensor in the heater.
There are 3 different sensors this may help but the drawing isn't very clear.

CCG 89440 Truma Combi C6002 EH

www.caravanparts.co.uk

 

[Sue coulson]

Thank you