Worcester ZWBR 7-28 HE plus

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.