TROUBLESHOOTING GUIDE
Fire sparks but pilot does not light
No gas to fire, check isolators are open.
Pipe work blockage, clean out.
Air not fully purged, re purge supply or wait longer.
Spark earthing to metal work, reset gap correctly.
Blocked pilot, clean out internally.
Pilot lights but then goes out
Severe restriction in gas supply: clear obstruction.
Faulty thermocouple, replace pilot unit.
Blocked pilot, clean out.
Blocked lint gauze, clean.
Hold control knob in for longer.
Check control knob does not foul the control indicator plate.
If the pilot will not stay lit there is a problem with dirt, the
gas supply, or the thermocouple needs replacement.
Modifications are dangerous and can have a serious unseen
effect on safety. NEVER MODIFY OR BEND THE THERMOCOU-
PLE TO MAKE THE PILOT STAY ALIGHT.
Fire does not spark at pilot
HT lead detached, refit.
Check the spark gap (see section 8.2).
Faulty piezo unit, replace.
Debris shorting out electrode, clean.
Spark shorting to metalwork under tray, realign HT lead.
Fire runs for a time
Loose or faulty thermocouple, rectify.
and then cuts off
Blocked pilot, clean out.
Dirt or lint in pilot aeration hole or on the lint gauze, clean
thoroughly.
If the pilot will not stay lit there is a problem with dirt, the
gas supply, or the thermocouple needs replacement.
Modifications are dangerous and can have a serious unseen
effect on safety. NEVER MODIFY OR BEND THE THERMOCOU
PLE TO MAKE THE PILOT STAY ALIGHT.
Pilot flame shrinks
Poor gas flow to fire, check pressure with fire on high.
when fire is on high
If pressure is low, remove any restriction in pipework or valve.
Check all isolators are adequately sized and fully open.
Check meter pressure is adequate.
If the pilot will not stay lit there is a problem with dirt, the
gas supply, or the thermocouple needs replacement.
Modifications are dangerous and can have a serious unseen
effect on safety. NEVER MODIFY OR BEND THE THERMOCOU
PLE TO MAKE THE PILOT STAY ALIGHT.
Fire smells when first
Newness smell from brand new appliance.
lit or in use
Leakage occurring. Carry out leakage test and rectify any
problems.
Combustible materials used in incorrect positions.
10
11.0
