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boiler not igniting

Postby shellked » Thu Jan 03, 2008 6:47 pm

any ideas on a ravenheat csi85 combi not firing?it had a previous fault which was continuosly firing up just before being told to shut down by the room stat[is this whats called cycling?] its had a new ignition pcb but now theres no spark at all although the fan and pump are both running.any advice will be greatly appreciated as the snow is on its way!
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Postby htg engineer » Sat Jan 05, 2008 5:21 pm

If there's no spark at all, it's sounds like the PCB again.

Is it not sparking elsewhere ? ignition lead worn or damaged ?
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