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HI, Thanks, it looks like there isn't 240V getting to the pilot multifuntion control solenoid. There's 35ish volts ac so I now don't know whether this is simply supplied via a relay contact (dry joint suspected on pcb) or a semiconductor switch. (more serious) I am wondering if the same goes...

HI thanks for your speedy reply, I already have this manual and started to go through the checks. However whilst it provides an "if this do that" guide (which ends up at "replace pcb") it doesn't help understand how it is supposed to work! If I knew the startup sequence I could find what was...

Hi, Can anyone tell me the operational sequence in STEP by STEP detail of how this boiler lights please? This boiler has 4 neon status lights and N3 and N4 are NOT lit. The fan cycles and the boiler doesn't light. What I know so far:- I checked what happens as the fan starts up. I...