OWNER’S MANUAL
TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
Burner does not light after ODS/pilot is lit | 1. | Inlet gas pressure is too low | 1. | Contact local natural gas company |
| 2. | Burner orifice clogged | 2. | Clean burner (see Cleaning and Mainte- |
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| nance, page 15) or replace burner orifice |
| 3. | Burner orifice diameter is too small | 3. | Replace burner orifice |
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Delayed ignition burner | 1. | Manifold pressure is too low | 1. | Contact local propane/LP gas company |
| 2. | Burner orifice clogged | 2. | Clean burner (see Cleaning and Mainte- |
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| nance, page 15) or replace burner orifice |
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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 15) or replace burner orifice |
| 2. | Damaged burner | 2. | Replace damaged burner |
| 3. | Gas regulator defective | 3. | Replace gas regulator |
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Slight smoke or odor during initial opera- | 1. | Not enough air | 1. | Check burner for dirt and debris. If |
tion |
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| found, clean burner (see Cleaning and |
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| Maintenance, page 15) |
| 2. | Gas regulator defective | 2. | Replace gas regulator |
| 3. | Residues from manufacturing processes | 3. | Problem will stop after a few hours of |
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| and logs curing |
| operation |
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Heater produces a whistling noise when | 1. | Turning control knob to HI position | 1. | Turn control knob to LO position and |
burner is lit |
| when burner is cold |
| let warm up for a minute |
| 2. | Air in gas line | 2. | Operate burner until air is removed from |
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| line. Have gas line checked by local |
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| natural gas company |
| 3. | Air passageways on heater blocked | 3. | Observe minimum installation clear- |
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| ances (see pages 6 through 9) |
| 4. | Dirty or partially clogged burner orifice | 4. | Clean burners (see Cleaning and Mainte- |
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| nance, page 15) or replace burner orifice |
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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 3 through 5) |
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