Lennox Hearth Catalytic Vent-Free Wall Mounted Gas FirePlace Electric Heater User Manual


 
15
27.0 TROUBLESHOOTING GUIDE
PROBLEM CORRECTIVE ACTION
Igniter sparks but pilot does not light • No gas to
Pilot, check the gas line connections.
• Air not fully purged. Purge supply or wait longer.
• Spark grounding 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.
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
THERMOCOUPLE TO MAKE THE PILOT STAY LIT.
Igniter electrode at pilot does not spark HT lead detached,refit.
• Check the spark gap (see Section 15.0).
• Faulty piezo unit, replace.
• Debris shorting out electrode, clean.
• Spark shorting to metalwork under tray, realign HT lead.
The burner stays on for a period of time,
then cuts off
• Loose or faulty thermocouple, rectify.
• 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
THERMOCOUPLE TO MAKE THE PILOT STAY LIT.
Pilot flame shrinks when fire is on high • Poor gas flow to fire, check pressure with fire on high.
• If pressure is low, remove any restriction in pipe-work or valve.
• Check all pipe-work are adequately sized.
• 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
THERMOCOUPLE TO MAKE THE PILOT STAY LIT.
Fireplace smells when first lit or in use • Newness smell from brand new appliance.
• Leakage occurring. Carry out leakage test and rectify any problems.
• Combustible materials used in incorrect positions.
• Unit may require a service to remove dust from catalysts.
Description Catalog No.
Glass door assembly
H6057
Gas valve H6059
Catalyst H6060
Pilot assembly H6061
Burner assembly
H6058
Catalyst seal kit H6062
Inlet pressure regulator H6063
Decorative glass facia H6068
See ordering instructions on Page 18
28.0 REPLACEMENT PARTS