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Mend Potterton 407676 Boiler Pcb Heating

start up problem on Potterton Netaheat 407676?

I have a Potterton Netaheat 407676. As the system tries to fire up it blows the 1 amp fuse thats on the PCB controller. Is this a problem of the PCB controller. I have looked for a short anywhere but can't find one. I can get a PCB controller but I need to know if this can be the problem.

Mark Rigby
August 2010
PottertonPotterton 407676Heating, Home Heating SystemsBoiler Pcb Heating
if it's blowing fuses then you need to check the gas valve, fan and maybe the pump depending how it's wired. best way to test is to disconnect one at a time and see which stops it from blowing the fuse. if it's still blowing with those components disconnected then you need a new pcb. my money would be on the fan.

Ian
August 2010

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