Truma control panel problem

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Feb 24, 2025
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Hi everyone..have a question about my Truma cp plus control panel.
I done a reset and now the only symbols appearing are a clock and a spanner in the bottom right
I have tried disconnecting power to the panel and reconnected but still the same result????
Any help would be appreciated
....cheers James
 
It could be worth trying disconnecting and re-connecting the actual boiler power supply , remove the boiler supply fuse on the (sargent ? ) PSU or the 12v fuse under the wiring connection cover on the Truma boiler .
 
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This may sound stupid but do pressing any of the buttons do anything? My screen did that one time and I'm sure I just needed to press some of them to get it working again.
 
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It could be worth trying disconnecting and re-connecting the actual boiler power supply , remove the boiler supply fuse on the (sargent ? ) PSU or the 12v fuse under the wiring connection cover on the Truma boiler .
I will give this a go tomorrow...cheers
 
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This may sound stupid but do pressing any of the buttons do anything? My screen did that one time and I'm sure I just needed to press some of them to get it working again.
Tried doing that no good....

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This may sound stupid but do pressing any of the buttons do anything? My screen did that one time and I'm sure I just needed to press some of them to get it working again.
My previous van, a McLouis, performed a reset with a long press of several seconds on the on / off switch; although there was no mention of that in the manual. I stopped into a dealers with a frozen bed and he showed me how to do this.
 
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Can you select the spanner and then select reset to do another reset?

After the reset has completed, press the exit button to go back to normal use. (may need to press it more than once)
 
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