TROUBLE-
SHOOTING
Continued
26
OBSERVED | POSSIBLE |
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PROBLEM | CAUSE | REMEDY |
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Burner does not light | 1. | Inlet gas pressure is | 1. | Contact local natural |
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after ODS/pilot is lit |
| too low |
| gas company |
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| 2. | Burner orifice clogged | 2. | Clean burner (see |
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| Cleaning and Mainte- |
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| nance, page 24) or |
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| replace burner orifice |
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| 3. | Burner orifice diameter | 3. | Replace burner orifice |
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| is too small |
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Delayed ignition | 1. | Manifold pressure is | 1. | Contact local propane/ |
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burner |
| too low |
| LP gas company |
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| 2. | Burner orifice clogged | 2. | Clean burner (see |
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| Cleaning and Mainte- |
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| nance, page 24) or |
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| replace burner orifice |
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Burner backfiring | 1. | Burner orifice is | 1. | Clean burner (see |
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during combustion |
| clogged or damaged |
| Cleaning and Mainte- |
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| nance, page 24) or |
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| replace burner orifice |
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| 2. | Damaged burner | 2. | Replace damaged |
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| burner |
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| 3. | Gas regulator defective | 3. | Replace gas regulator |
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Slight smoke or odor | 1. Not enough air | 1. | Check burner for dirt |
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during initial opera- |
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| and debris. If found, |
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tion |
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| clean burner (see |
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| Cleaning and Mainte- |
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| nance, page 24) |
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| 2. | Gas regulator defective | 2. | Replace gas regulator |
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| 3. | Residues from manu- | 3. | Problem will stop after |
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| facturing processes |
| a few hours of opera- |
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| and logs curing |
| tion |
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Heater produces a | 1. Turning control knob | 1. | Turn control knob to |
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whistling noise when |
| to HI position when |
| LO position and let |
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burner is lit |
| burner is cold |
| warm up for a minute |
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| 2. | Air in gas line | 2. | Operate burner until air |
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| is removed from line. |
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| Have gas line checked |
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| by local natural gas |
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| company |
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| 3. | Air passageways on | 3. | Observe minimum |
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| heater blocked |
| installation clearances |
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| (see pages |
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| 4. | Dirty or partially | 4. | Clean burners (see |
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| clogged burner orifice |
| Cleaning and Mainte- |
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| nance, page 24) or |
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| replace burner orifice |
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Moisture/condensation | 1. | Not enough combus- | 1. | Refer to Air for Com- |
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noticed on windows |
| tion/ventilation air |
| bustion and Ventilation |
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| requirements (page 5) |
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102783
