Help - no hot water or central heating - electric clock completely dead. However, pilot still on - boiler does not fire up when hot tap turned on.
Have checked mains supply - socket and fuse appear to be ok.
Any ideas?
Hello,
this is similar to my current problem.
It's a Saunier Duval SD620, with no HW or CW. The pilot is on, but main boiler doesnt fire up when turning on hot tap, or when heating turned on. The fan works, the HW flow micro switches click on but still no firing.
I clicked the safety air flow vane switch a few times and it seems to be in it's correct position. If it was causing the problem then would the pilot be dead also?
Please help!
Thanks
Richard
unable to bring up pressure to 1 bar tryed filling system but water come out of over flow out side please could you tell me how to cure this to get system working
thanks terry
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