Boilers - Steam and Hot Water Systems - Potterton Combi 100 Boiler - not firing

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ali S
08-04-04, 07:27 AM
I have a problem with the above. Currently when the boiler attempts to fire up, ie to run hot water for a bath, it goes to 'lockout'. It sounds as if the pilot is attempting to light but doesnt. Before this happened, when having a shower, the water temperature would fluctuate hot/cold. The lockout would happen occasionally, but is not continuous - any ideas?

Narroc
08-07-04, 04:06 AM
Sounds like the flame signal is not being picked up by the controller, I would suggest you get it serviced as the flame probe probably needs cleaning.
Narroc
08-07-04, 04:09 AM
Sounds like the flame signal is not being picked up by the controller, I would suggest you get it serviced as the flame probe probably needs cleaning.
Also very important to check the earthing is 101% back to the controller and the mains.