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ferroli optimax he 31c trip-out?

my boiler cuts out and code 41 is displayed, other than this it works fine most of the time.

smokey
December 2010
FerroliFerroli Optimax HE 31cHeating, Home Heating SystemsFerroli Optimax He
Oh good, now we have a clue!
The fault would be A41 which refers to a HW flow sensor fault.
The flow sensor could be faulty or the water is not coming through due to freezing

Carefree
December 2010

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