7. FAULT FINDING - Page 19
SYMPTON
POSSIBLE CAUSE
SOLUTION
PILOT WILL NOT LIGHT
1.
Gas not turned on.
1.
Turn on the gas at the gas service
cock and/or the main gas line.
2.
Air in gas line.
2.
Purge the air line by depressing
and holding the centre ON button,
this may take 2-3 minutes.
3.
Incorrect pilot lighting procedure.
3.
Follow the lighting instructions
located on the bottom cover or
refer to the “Instructions for Use”.
4.
Electrode lead not connected to
the rear of the spark igniter.
4.
Re-connect the electrode lead.
5.
Incorrect spark gap.
5.
The gap between the electrode tip
and the pilot hood should be 3-
4mm.
6.
Current tracking to earth.
6.
Check the electrode lead is routed
clear of all metal parts.
7.
Pilot injector blocked.
7.
Clear injector by blowing through
or replace with pilot injector Part
No 19/12690. Also clean the lint
filter located at the base of pilot
tube.
8.
Faulty components.
8.
Replace any faulty components
found. Piezo Unit - Part No
10/11935. Electrode Assembly -
Part No 10/17493.
9.
No gas to the appliance.
9.
Call in your local British Gas
Region.
PILOT LIGHTS BUT WILL NOT
REMAIN ALIGHT
1.
Thermocouple connections loose.
1.
Tighten the connections.
2.
Pilot flame ‘soft’ or too small to
heat the thermocouple tip.
2.
Pilot injector partially blocked,
clear by blowing through or
replace. Check the gas inlet
pressure is correct - 20 mbar. Also
clean the lint filter located at the
base of the pilot tube.
3.
Thermocouple worn out or
damaged.
3.
Replace the thermocouple - Part
No 10/17461.
4.
Faulty magnet unit in the flame
safety device.
4.
Replace flame safety device- Part
No 10/13477.
5.
Energy cut-off device connections
loose.
5.
Tighten connections.
6.
Energy cut-off device may be
faulty.
6.
Check for continuity and replace if
necessary - Part No 10/17792.
Supplied by HeatingSpares247.com
