Worcester GREENSTAR HE combi Series, Installation And Servicing Instructions

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7 181 465 347 (01.07)
Rectifying faults
23
C1
flashing.
Fan speed too low
Check Action
1. Fan lead connector properly con-
nected? yes:
↓
2.
no:
B
Power OFF the appliance.
B Plug in connector.
B
Turn ON the appliance.
C6?
↓
2.
2. Fan lead defective? yes:
B
Power OFF the appliance.
B Replace fan lead.
B
Turn ON the appliance.
C6?
↓
3.
no:
↓
3.
3. Fan defective? yes:
B
Power OFF the appliance.
B Plug the connection wire.
B
Replace fan.
B Plug the connection wire.
B
Turn ON the appliance.
C6?
↓
4.
no:
↓
4.
4. The PCB control board is damaged.
B
Power OFF the appliance.
B Disconnect the boiler electrical connection.
B
Change PCB control board.
B Reconnect the boiler electrical connection.
B
Turn ON the appliance.