We have a combo 100. The central heating was not coming on because of a leaking tap. Have now fixed the tap and bled and filled the radiators - but heating still doesn\\\'t come on properly. It clicks on for 30 seconds and then turns off for 30 seconds - and keeps doing this continually. Please can you help?
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Potterton Combo 100
- Thread starter djfrezi
- Start date
Look on the back of the front cover - fault finding guide. Check the pump is running by removing the central screw and poking a screwdriver in - tun if its stationary co it could be stuck. Then check the progress of hot water through the pipes.
Could be a pcb fault though - Puma boards usually have a couple of dozen bad solder joints....
Could be a pcb fault though - Puma boards usually have a couple of dozen bad solder joints....
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