Posted by Thomas on 9/23/2004, 4:46 pm, in reply to "worcester 350" 2. It is getting past the pressure test meaning the fan is running and the ignition unit is kaput. Check if there are any contacts that need cleaning or adjusting.
1. Could be the pressure differential valve is kaput. This senses that the fan is turning before switching in the gas valve.
--Previous Message--
: My worcester 350 boiler has a problem since last night. When you
: turn the hot tap on, or the central heating on , the fan starts
: & the pump starts & I can hear a click ( sounds like a
: relay) in the boiler but the gas doesn't light. It seems to go
: allright until the moment it's supposed to light the gas , The
: pressure is ok & the standby light is lit , however the
: demand light doesn't come on . Any ideas?
: Pete
:
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