Truma heating a hot water

[Derek farmer]

Hi I have lunar champ h621 I have no power to settings dial. Please can any one help with suggestions of what to try.

 

[Spriddler]

By posting the same question twice you will have to monitor and respond to both threads when you get fragmented replies and duplicated info etc. (if people haven't seen the other thread or can be bothered to post their reply in both of the threads).
There are already replies in your other thread here:

Next step

Hi newbie dell here just bought a lunar champ h621 But have problems with hot water and heating no Power to the controller dial. Can any body suggest Any solution many thanks.

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