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c1?

What dose c1 and f7 mean

andy
April 2017
Heating, Home Heating SystemsThermostat Heating Temperature
C1 fault?

F7 fault?

Worcester?

Greenstar HE?

Ring the manufacturers technical helpline
They will be able to talk you through simple tests to determine if
You can fix problem yourself
Or
You require a gas engineer

Asbestos
April 2017
C1 and F7 indicate a fault of some sort - that model is notorious for C1 and F issues.

Good Luck...
April 2017

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C1 & F7 Meaning - Explained