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Mend Bosch Worcester Combi Boiler PCB Fault

Lost of hot water Bosch Worcester?

I have an intermittent fault on a Bosch Worcester combi. The hot water stops working and a red light flashes. I have had my local boiler company in several times - they have changed teh PCB twice, isolated the water pressure switch, put in a new air intake...
but they are stumped? Any ideas?

Kate P
May 2009
Bosch WorcesterHeating, Home Heating SystemsCombi Boiler PCB Fault
What boiler is it Kate?

Bunslinger
May 2009

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