14
TROUBLESHOOTING
TROUBLESHOOTING
Continued
| OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY |
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| Burner does not light after ODS/pilot is lit | 1. | Burner orifice is clogged | 1. | Clean burner orifice (see Cleaning and | |
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| Maintenance, page 12) or replace burner | |
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| orifice | |
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| 2. | Inlet gas pressure is too low | 2. | Contact local propane/LP gas company | |
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| Delayed ignition of burner | 1. | Manifold pressure is too low | 1. | Contact local propane/LP gas company | |
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| 2. | Burner orifice is clogged | 2. | Clean burner orifice (see Cleaning and | |
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| Maintenance, page 12) or replace burner | |
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| orifice | |
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| Burner backfiring during combustion | 1. | Burner orifice is clogged or damaged | 1. | Clean burner orifice (see Cleaning and | |
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| Maintenance, page 12) or replace burner | |
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| orifice | |
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| 2. | Inlet gas pressure is too low | 2. | Contact local propane/LP gas company | |
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| 3. | Burner damaged | 3. | Replace burner | |
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| 4. | Gas regulator defective | 4. | Replace gas regulator | |
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| Yellow flame during burner combustion | 1. | Not enough air | 1. | Check burner for dirt and debris. If | |
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| found, clean burner (see Cleaning and | |
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| Maintenance, page 12) | |
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| 2. | Inlet gas pressure is too low | 2. | Contact local propane/LP gas company | |
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| 3. | Gas regulator defective | 3. | 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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| operation | |
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| Heater produces a whistling noise when | 1. | Turn control knob to HI position when | 1. | Turn control knob to LO position and | |
| burner is lit |
| burner is cold |
| let warm up for a minute | |
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| 2. | Air in gas line | 2. | Operate burner until air is removed | |
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| from line. Have gas checked by local | |
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| propane/LP gas company | |
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| 3. | Air passageways on heater blocked | 3. | Observe minimum installation clear- | |
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| ances (see Figure 2, page 4) | |
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| 4. | Dirty or partially clogged burner orifice | 4. | Clean burner (see Cleaning and Mainte- | |
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| nance, page 12) or replace burner orifice | |
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