Search results

Potterton Puma 80 permanent pilot. The boiler is cutting out after several minuters of CHW demand. The boiler is firing up and the CH flow pipe is very hot. Also the rads are heating up nicely. The Pump and fan are OK. I have a new flow switch and CH overheating thermostat. The DHW is OK. There...

Thanks for your replies. I have removed the white front case. So there is nothing for the white knob to catch onto. Further I have removed the the white knob, which is a sleeve for the brown knob underneath. This brown knob has the same markings, spot, spark, flame, and the flame coresponds...

yes. The pilot flame is ok. On the fault finding chart I have got as far as "is the boiler overheat stat closed". By this I assume they mean the DHW & CHW temperature Sensor. How do I check this?

PCB is new.

Boilers main flame will not ignite when calling for CHW or DHW. Pilot light is on, fan and pump are all working. water pressure is 1.5 bar. Any ideas as to why please?