Worcester ZBR 8-35 ICS1, Service Booklet

Page: 38 / 52

7 181 465 347 (01.07)
38
Rectifying faults
Ignition too harsh, ignition poor
Check Action
1. B Activate menu option
Show service parameters .
B Select 5.1 Permanent ignition .
Continuous ignition OK?
yes:
↓
6.
no:
↓
2.
2. Ignition lead connected to ignition
electrodes? yes:
↓
3.
no:
B
Connect cable to ignition electrode.
B
Press button .
Ignition poor?
↓
3.
3. Ignition cable connector engaged in
switchbox? yes:
↓
4.
no:
B
Power OFF the appliance.
B
Engage ignition cable connector in switchbox.
B
Turn ON the appliance.
B Press button .
B
Power OFF the appliance.
Ignition poor?
↓
4.
4. Ignition cable defective? yes:
B
Power OFF the appliance.
B
Replace ignition cable.
B Turn ON the appliance.
B
Press button .
B
Power OFF the appliance.
Ignition poor?
↓
5.
no:
↓
5.
5. Electrode assembly defective?
B
Power OFF the appliance.
B
Remove electrode assembly.
Electrodes worn out?
yes:
B
Replace electrode assembly.
B
Turn ON the appliance.
B
Press , does appliance restart???
Ignition poor?
↓
6.
no:
B
Refit electrode assembly.
B
Turn ON the appliance.
B
Press , does appliance restart???
Ignition poor?
↓
6.
6. Does the gas supply type match the
specifications on the appliance iden-
tification plate? yes:
↓
7.
no:
B
Carry out gas type conversion as described in
installation instructions.
Ignition poor?
↓
7.