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worcester bosh 40 cdi no heating and no hotwater ?

my boiler will not fire up and it keeps coming up with u7 code.please help!

charlie from croydon
May 2012
WorcesterHeating, Home Heating SystemsHeating Hotwater Coming
u7 is not a fault code but part of the engineers set sequence for changing boiler parameters

have you tried isolating the power to boiler then powering it back up let it go through purge cycle it should restart

tony b
May 2012
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