TROUBLESHOOTING
25
TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
One or more burners do not light after ODS/ | 1. | Inlet gas pressure is too low | 1. | Contact local natural or propane/LP gas |
pilot is lit |
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| company |
| 2. | Burner orifice(s) clogged | 2. Clean burner(s) (see Cleaning and Mainte- | |
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| nance, page 23) or replace burner orifice(s) |
| 3. | Mislocated crossover tube | 3. | Contact qualified service person |
| 4. | Thermopile leads disconnected or im- | 4. | Reconnect leads (see Wiring Diagram, |
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| properly connected |
| page 28) |
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| Models Only) |
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| 5. | Burners will not come on in remote po- | 5. | Replace battery in transmitter and |
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| sition |
| receiver |
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Delayed ignition of one or more burners | 1. | Manifold pressure is too low | 1. | Contact local natural or propane/LP gas |
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| company |
| 2. | Burner orifice(s) clogged | 2. | Clean burner(s) (see Cleaning and Main- |
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| tenance, page 23) or replace burner |
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| orifice(s) |
| 3. | Mislocated crossover tube | 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 Mainte- |
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| nance, page 23) or replace burner orifice |
| 2. | Damaged burner | 2. | Replace damaged burner |
| 3. | Gas regulator defective | 3. | Replace gas regulator |
Yellow flame in front/middle burner | 1. | Not enough air |
during burner combustion (VRL24NT/PT, |
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VRL24NR/PR, VRL30NT/PT, VRL30NR/ |
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PR, CSG3924NT/PT, CSG3924NR/PR, | 2. | Gas regulator defective |
CSG3930NR/PR) |
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Yellow flame in front burner during burner combustion (CTB3924NT/PT, CTB3924NR/PR)
1.Check burner(s) for dirt and debris. If found, clean burner(s) (see Cleaning and Maintenance, page 23)
2.Replace gas regulator
Slight smoke or odor during initial operation 1. Residues from manufacturing processes and logs curing
1.Problem will stop after a few hours of operation
Heater 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 lo- |
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| cal natural or propane/LP gas company |
3. | Air passageways on heater blocked | 3. | Observe minimum installation clear- |
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| ances (see pages 8 through 10) |
4. | Dirty or partially clogged burner | 4. | Clean burners (see Cleaning and Main- |
| orifice(s) |
| tenance, page 23) |
White powder residue forming within burner box or on adjacent walls or furniture
1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. may turn into white powder residue
1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products
Moisture/condensation noticed on windows 1. Not enough combustion/ventilation air | 1. Refer to Air for Combustion and Venti- |
| lation requirements (page 5) |
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