Supplied By www.heating spares.co Tel. 0161 620 6677
RECTIFYING FAULTS
8 716 115 748 (2009/09)
48
F0
and fault indicator LED (and possibly RESET button) are flashing.
Internal failure
Check
Action
1.
Button
reset
flashing?
yes:
B
Press the
reset
button for 3 seconds and release it.
After releasing the appliance re-starts.
B
Initiate demand for heat by pressing button for 10
seconds and then press again after 30 seconds to
cancel.
B
Initiate two more demands for heat as above.
F0? go to 2
no:
go to 2
2.
The PCB is damaged.
B
Make a note of the altered service settings.
B
Switch OFF the appliance.
B
Disconnect the boiler power connection.
B
Change PCB control board.
B
Reconnect the appliance power connection.
B
Switch ON the appliance.
B
Restore service settings previously noted down.
Tab. 26 F0 Error codes