Fan on Truma CP runs all the time

[PeeAndDee]

Hi

Just pulled onto a site in Norway and unfortunately due to the snow the only ptitches open are on a steep slope, the Truma fan will not shut off even when I turn it off and disconnect electric hook up.
Any suggestions please?
Thanks
Peter

 

[Fletton]

Bump

 

[Richard n Ann]

Pity your not in Portugal, I'm itching to use my new clamp meter
Good luck

What is a truma CP anyway?

 

[MikeD]

I am no Truma expert but I thought the fan was 12v on a Truma. It should I thought be running off your leisure battery.

The heating element is 240v.

If the fan is on are you getting any heat out of it? Is it running on gas?

Do you have any fault codes showing?

https://www.truma.com/uk/en/faq/fault-code-on-truma-cp-plus-control-panel.html

 

[PeeAndDee]

The problem with the fan seems to have rectified itself, not sure if being on such a steep slope last night would have caused the problem but that is my only idea of what may have caused it. Unhooked this morning and moved to another site and everything is working perfectly again. Strange...but thanks for the suggestions

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[MikeD]

I Autotrail used to do odd stuff if we had reversed polarity, a poor earth or low voltage etc.

I know people say it should not matter but we had to check it out every time.

 

[dave newell]

It would help enormously if you told us what motorhome you have, it's year of manufacture and exactly which model of truma heating system you have. The sloping pitch will have no bearing on the fan running.

D.