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Vokera combi not firing after replacing covers?

Posted: Sun Dec 21, 2014 5:45 am
by Bobstar29
Hi
just installed a Vokera boiler . Got it to fire up in Hw mode - but replaced covers and then it wouldn't fire up .
Now it won't fire up with covers off .
The can kicks in but nothing .

The flue is new so no blockages there.

I'll check the air pressure switch manually .

Re: Vokera combi not firing after replacing covers?

Posted: Tue Dec 23, 2014 11:31 am
by htg engineer
When the fan kicks in, does the boiler spark at ignition?

What's the gas pressures like?