Worcester CDi Combi N.G Service Booklet page 46

RECTIFYING FAULTS
EA
and RESET button and fault indicator LED are flashing.
During operation: flame not detected.
Check
9. Problem with flue?
B Check CO level in combustion air
2
in the flue (with outer casing
fitted).
Is the CO level above 0.2%?
2
B Perform a fan pressure test
(as described in the installation
manual).
B Open up heat exchanger - is it
dirty?
Is flue gas CO level incorrect?
10.
2
11. B Select in the second service level the
service function 8.F
(Permanent ignition).
B Select the value 1 and store.
Check the permanent ignition at the
electrodes (without gas). Is it OK?
Ignition cable connected to ignition
12.
electrodes?
Ignition cable connector engaged in
13.
control panel?
Is the ignition cable damaged?
14.
Tab. 25 EA Error codes
46
Supplied By www.heating spares.co Tel. 0161 620 6677
Action
B Check flue installation for agreement with the
yes:
instruction manual.
Then:
B Press the reset button for 3 seconds and release it.
After releasing the appliance re-starts.
EA? go to 10
go to 10
no:
B Adjust to correct level.
yes:
B Press the reset button for 3 seconds and release it.
After releasing the appliance re-starts.
EA? go to 11
go to 11
no:
B Select the value 0 and store.
yes:
Exit the service function.
go to 12
B Select the value 0 and store.
no:
Exit the service function.
go to 15
go to 13
yes:
B Reconnect lead.
no:
B Press the reset button for 3 seconds and release it.
After releasing the appliance re-starts.
EA? go to 13
go to 14
yes:
B Switch OFF the appliance.
no:
B Engage ignition cable connector in control panel.
B Switch ON the appliance.
B Press the reset button for 3 seconds and release it.
After releasing the appliance re-starts.
EA? go to 14
B Switch OFF the appliance.
yes:
B Change the ignition cable.
B Switch ON the appliance.
B Press the reset button for 3 seconds and release it.
After releasing the appliance re-starts.
EA? go to 15
go to 15
no:
8 716 115 748 (2009/09)