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Heating  Heating

Brand

Bosch Bosch List all brands

Type:

Greenstar ZWB42-3A view Greenstar ZWB42-3A List all types

Error code:

b7
List all errors


Error code: b7

Cause of error code b7

Fault in the burner controls. 

Solution for error code b7

Reset boiler to factory default setting ( service function 8.E)


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