Supplied By www.heating spares.co Tel. 0161 620 6677
7 181 465 347 (05.01)
34
Rectifying faults
Error F7
2.
Electrode assembly defective?
B
Power OFF the appliance.
B
Remove electrode assembly.
Electrode assembly burnt out?
B
Replace electrode assembly.
B
Turn ON the appliance.
B
Press
, restart the appliance.
FA?
↓
3.
3.
Problem with flue?
B
Check CO
2
level in combustion
air.
Is CO
2
level above 0,2 % ?
yes:
B
Check flue, clean if necessary.
B
Press
, restart the appliance.
FA?
↓
4.
no:
↓
4.
4.
The gas valve is damaged.
B
Power OFF the appliance.
B
Disconnect the boiler electrical connection.
B
Turn off gas cock.
B
Change the gas valve.
B
Open the gas cock.
B
Reconnect the boiler electrical connection.
B
Turn ON the appliance.
B
Check appliance for leaks.
B
Press
, restart the appliance.
FA?
↓
5.
5.
Check if the 20-pin connector lead
assembly is damaged.
B
Power OFF the appliance.
B
Disconnect the boiler electrical connection.
B
Change the 20-pin connector lead assembly.
B
Reconnect the boiler electrical connection.
B
Turn ON the appliance.
B
Press
, restart the appliance.
FA?
↓
6.
6.
The PCB control board is damaged.
B
Make a note of the altered service settings (see
table 1 on page 7).
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.
B
Restore service settings previously noted down.
FA
and
flashing.
After appliance switches off flame is detected
Check
Action
