Troubleshooting Guide; Replacement Parts - Lennox Hearth Products Radium-NG Assembly, Installation And Operation Instructions

25.0 TROUBLESHOOTING GUIDE

Fire sparks but pilot does not light
Pilot lights but then goes out
Fire does not spark at pilot
Fire runs for a time and then cuts off
Pilot flame shrinks when fire is on high
Fire smells when first lit or in use

26.0 REPLACEMENT PARTS

Description
Glass door assembly
Gas valve
Catalyst
Pilot assembly
Burner assembly
Catalyst seal kit
Inlet pressure regulator
Decorative glass facia
Decorative rear frame
When ordering spare parts, always give the following information:
1. The model number of the heater.
2. The serial number of the heater.
3. The part number.
4. The description of the part.
5. The quantity required.
6. The installation date of the heater.
No gas to Pilot, check the gas line connections.
Air not fully purged, repurge supply or wait longer.
Spark grounding to metal work, reset gap correctly.
Blocked pilot, clean out internally.
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 data 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 THERMOCOUPLE TO MAKE THE PILOT STAY LIT.
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.
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.
Poor gas flow to fire, check pressure with fire on high.
If pressure is low, remove any restriction in pipework or valve.
Check all pipework is 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.
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.
Catalog No. If you encounter any problems, require spare parts, or have any
H6055 questions concerning the installation of the heater please contact your
H6059 distributor. For the name of your nearest distributor contact:
H6060
H6061
H6056
H6062
H6063
H6066
H6067
11
LENNOX HEARTH PRODUCTS
1110 West Taft Avenue
Orange, CA 92865
Phone: 1-800-9-Lennox
visit us at www.Lennox.com