Worcester GREENSTAR HE combi Series User Manual

7 181 465 347 (01.07)34
Rectifying faults
FA and flashing.
After appliance switches off flame is detected
Check Action
1. Is condensation trap in condensing
boiler blocked?
yes: B Clean condensation trap discharge pipe.
B Press , does appliance restart???
FA? ↓2.
no: ↓2.
2. Electrodes faulty. B Replace electrode assembly.
B Turn ON the appliance.
B Press , does appliance restart???
FA?
B Power OFF the appliance.
↓3.
3. Problem with flue?
B Check CO
2
level in combustion
air.
> 0,2 % CO
2
?
yes: B Check flue and repair or replace if necessary.
B Press , does appliance restart???
FA?
B Power OFF the appliance.
↓4.
no: ↓4.
4. The gas valve is damaged. B Change the gas valve.
B Turn ON the appliance.
B Press , does appliance restart???
FA?
B Power OFF the appliance.
↓5.
5. Check if the 20-pin connector lead
assembly is damaged.
B Change the 20-pin connector lead assembly.
B Turn ON the appliance.
B Press , does appliance restart???
FA?
B Power OFF the appliance.
↓6.
6. The PCB control board is damaged. B Disconnect the boiler electrical connection.
B Change PCB control board.
B Reconnect the boiler electrical connection.
B Turn ON the appliance.

Worcester GREENSTAR HE combi Series Specifications

General

Brand	Worcester
Model	GREENSTAR HE combi Series
Category	Boiler
Language	English