home Fix label Heating label_important Home Heating Systems category Vaillant

vaillant blowing fuses?

i have changed the fuse about 5 times. changed the pump and fan, still blowing. i have now changed the gas valve and the fuse is still blowing on the board.

Any ideas??

Freddy

freddy, August 2009

home Fix label Heating label_important Home Heating Systems category Vaillantdone

if its as soon as you call for heating or dhw disconnect fan gas valve and pump from pcb if still blowing pcb faulty

san, August 2010

you dont say what model , could be a diverter valve try disconnecting sometimes water leaks into the heads

tim, August 2009

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home Fix label Heating label_important Home Heating Systems category Vaillant

vaillant blowing fuses?

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vaillant blowing fuses?

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