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Mend Ferroli Optimax plus HE 38c Boiler Fault

time clock problem?

My boiler (Ferroli Optimax plus HE 38c) screen is blank, and the time clock screen shows "noCN" is this a clock or boiler fault?

Graeme Hunter
August 2015
FerroliFerroli Optimax plus HE 38cHeating, Home Heating SystemsFerroli Boiler Fault

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Free repair help for Ferroli Optimax plus HE 38c home heating systems