CGFP28N and CGFP28NT
UNVENTED
TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
One or both burners do not light after ODS/ | 1. | Burner orifice(s) clogged | 1. | Clean burner(s) (see Cleaning and |
pilot is lit |
|
|
| Maintenance, page 20) or replace burner |
| 2. | Burner orifice(s) diameter is too small |
| orifice(s) |
| 2. | Replace burner orifice(s) | ||
| 3. | Inlet gas pressure is too low | 3. | Contact local natural gas company |
| 4. | Mislocated crossover tube | 4. | Contact qualified service person |
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Delayed ignition of one or both burners | 1. | Manifold pressure is too low | 1. | Contact local natural gas company |
| 2. | Burner orifice(s) clogged | 2. | Clean burner(s) (see Cleaning and |
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|
|
| Maintenance, page 20) or replace burner |
| 3. | Mislocated crossover tube |
| orifice(s) |
| 3. | Contact qualified service person | ||
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Burner backfiring during combustion | 1. | Burner orifice is clogged or damaged | 1. | Clean burner (see Cleaning and Main- |
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| tenance, page 20) or replace burner |
| 2. | Damaged burner |
| orifice |
| 2. | Replace damaged burner | ||
| 3. | Gas regulator defective | 3. | Replace gas regulator |
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Yellow flame in front burner during burner | 1. | Not enough air | 1. | Check burner(s) for dirt and debris. If |
combustion |
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| found, clean burner(s) (see Cleaning |
| 2. | Gas regulator defective |
| and Maintenance, page 20) |
| 2. | Replace gas regulator | ||
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Slight smoke or odor during initial operation | 1. | Residues from manufacturing processes | 1. | Problem will stop after a few hours of |
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| and logs curing |
| operation |
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Fireplace produces a whistling noise when | 1. | Turning control knob to HI position | 1. | Turn control knob to LO position and |
burners are lit |
| when burners are cold |
| let warm up for a minute |
| 2. | Air in gas line | 2. | Operate burners until air is removed |
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| from line. Have gas line checked by |
| 3. | Air passageways on fireplace blocked |
| local natural gas company |
| 3. | Observe minimum installation clear- | ||
| 4. | Dirty or partially clogged burner |
| ances (see pages 12 through 14) |
| 4. | Clean burners (see Cleaning and Main- | ||
|
| orifice(s) |
| tenance, page 20) or replace burner |
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| orifice(s) |
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Moisture/condensation noticed on windows | 1. | Not enough combustion/ventilation air | 1. | Refer to Air for Combustion and Venti- |
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| lation requirements (page 4) |
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White powder residue forming within burner | 1. | When heated, vapors from furniture | 1. | Turn heater off when using furniture |
box or on adjacent walls or furniture |
| polish, wax, carpet cleaner, etc. turn |
| polish, wax, carpet cleaners, or similar |
|
| into white powder residue |
| products |
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22 | 103413 |
