Possible Causes; Corrective Action - COZY W255GPPR Instructions D'installation Et D'utilisation

TROUBLESHOOTING CHART ( FOR QUALIFIED SERVICE TECHNICIAN )
SYMPTOM

POSSIBLE CAUSES

Flame Too 1. Defective operator section
Large of gas valve.
2. Burner orifice too large.
3. If installed above 2,000 ft.
Flame Pops 1. Too much primary air.
Back
Noisy 1. Too much primary air.
Flame
2. Burr in orifice
(if it whistles or resonates).
3. Excessive gas input.
Yellow 1. Too little primary air.
Tip Flame
2. Clogged main burner ports.
3. Clogged draft hood.
4. Linted up air shutter.
Floating 1. Blocked venting.
Flame
2. Insufficient primary air.
1. Gas leak.
Gas
Odor
2. Chimney or flue obstruction.
3. Drafts around appliance.
Delayed 1. Pilot flame too small.
Ignition
2. Burner ports clogged near pilot.
3. Low gas pressure.
4. Pilot decreases in size when main
burners come on.
5. Air shutter open too far.
6. Drafts around appliance.
7. Bad venting.
8. Defective pilot assembly.
9. Battery is low.
MAIN BURNER
Please follow the following corrective actions in order.
1. Replace complete valve.
2. Check with local gas company for proper orifice size & replace.
3. Refer to orifice chart, Page 5.
1. Adjust air shutter. (See Page 25).
1. Adjust air shutter. (See Page 25).
2. Remove burr or replace orifice (Do not enlarge orifices).
3. See "Flame Too Large" above.
1. Adjust air shutter. (See Page 25).
2. Clean main burner ports. (Do not enlarge ports).
3. Clean draft hood.
4. Check for dust or lint at air mixer opening & around the shutter. Clean as necessary.
1. Clean flue passageways to remove blockage.
2. Adjust air shutter to increase primary air supply. (See Page 25).
1. Shut off gas service immediately. Check piping. Call gas company. (See Page 1).
2. Clean flue.
3. Eliminate drafts.
1. Check or clean the pilot orifice. See page 5 for gas pressure.
2. Clean burner ports (Do not enlarge ports).
3. Check gas supply pressure. See page 5.
4. Supply piping is inadequately sized. Consult local gas utility or competent installer.
5. Close air shutter to proper setting as outlined in these instructions (See Page 25).
6. Eliminate drafts.
7. See "Venting" on page 7.
8. Inspect pilot assembly for loose or broken components or wires. Replace. Refer to parts list.
9. Turn thermostat off and replace batteries.

CORRECTIVE ACTION

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