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Rob, Home Appliance Technician
Category: Appliance
Satisfied Customers: 420
Experience:  20 yrs. experience with a major worldwide manufacturer.
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Icos HE24 no fault codes displayed just C and flashing light

Customer Question

icos HE24 no fault codes displayed just C and flashing white light but very noisy banging and knocking sounds although boiler is still working
Submitted: 1 year ago.
Category: Appliance
Expert:  Andrew Smith replied 1 year ago.

Is it when the heating or hot water is on?

Customer: replied 1 year ago.
when either are on.
Customer: replied 1 year ago.
Can someone answer my question now?