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wor bosch cdi 40 - not working?

our boiler is not working. I have tried to reset but it just appears to count down from 99 to 0 - I dont get an error code. any advice greatly appreciated

deano
February 2011
BoschHeating, Home Heating SystemsBosch Cdi Not
pump stuck, and the 99-0 is the temperature of the water. pump block bout £100

craig
March 2011

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