OWNER’S MANUAL
TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY |
Delayed ignition of burner | 1. | Manifold pressure is too low |
| 2. | Burner orifice is clogged |
1.Contact local propane/LP gas company
2.Clean burner (see Cleaning and Main- tenance, page 15) or replace burner orifice
Burner backfiring during combustion | 1. | Burner orifice is clogged or damaged | 1. | Clean burner (see Cleaning and Main- |
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| tenance, page 15) or replace burner |
| 2. | Inlet gas pressure is too low |
| orifice |
| 2. | Contact local propane/LP gas company | ||
| 3. | Burner damaged | 3. | Replace burner |
| 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 |
| 2. | Inlet gas pressure is too low |
| Maintenance, page 15) |
| 2. | Contact local propane/LP gas company | ||
| 3. | Gas regulator defective | 3. | Replace gas regulator |
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Slight smoke or odor during initial opera- | 1. | Residues from manufacturing processes | 1. | Problem will stop after a few hours of |
tion |
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| operation |
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Heater produces a whistling noise when | 1. | Turning control knob to HIGH position | 1. | Turn control knob to LOW position |
burner is lit |
| when burner is cold |
| and let warm up for a minute |
| 2. | Air in gas line | 2. | Operate burner until air is removed |
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| from line. Have gas line checked by |
| 3. | Air passageways on heater blocked |
| local propane/LP gas company |
| 3. | Observe minimum installation clear- | ||
| 4. | Dirty or partially clogged burner ori- |
| ances (see Figure 4, page 6) |
| 4. | Clean burner (see Cleaning and Main- | ||
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| fice |
| tenance, page 15) or replace burner |
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| orifice |
Continued
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