TROUBLESHOOTING
Continued
OBSERVED |
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| REMEDY | |
PROBLEM | POSSIBLE CAUSE | |||
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Burner does not light | 1. | Burner orifice is clogged | 1. | Clean burner (see “Cleaning and Mainte- |
after ODS/pilot is lit |
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| nance,” page 26) or replace burner orifice |
| 2. | Burner orifice diameter is too small | 2. | Replace burner orifice |
| 3. | Inlet gas pressure is too low | 3. | Contact local gas company |
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Delayed ignition of | 1. | Manifold pressure is too low | 1. | Contact local gas company |
burner | 2. | Burner orifice is clogged | 2. | Clean burner (see “Cleaning and Mainte- |
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| nance,” page 26) or replace burner orifice |
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Burner backfiring | 1. | Burner orifice is clogged or damaged | 1. | Clean burner (see “Cleaning and Mainte- |
during combustion |
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| nance,” page 26) or replace burner orifice |
| 2. | Burner damaged | 2. | Replace burner |
| 3. | Gas regulator defective | 3. | Replace gas regulator |
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Yellow flame during | 1. | Not enough air | 1. | Check burner for dirt and debris. If found, |
burner combustion |
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| clean burner (see “Cleaning and Mainte- |
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| nance,” page 26) |
| 2. | Gas regulator defective | 2. | Replace gas regulator |
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Slight smoke or odor | 1. | Residues from manufacturing processes | 1. | Problem will stop after a few hours of opera- |
during initial operation |
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| tion |
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Heater produces a | 1. | Turning control knob to HI position when | 1. | Turn control knob to LO position andlet |
whistling noise when |
| burner is cold |
| warm up for a minute |
burner is lit | 2. | Air in gas line | 2. | Operate burner until air is removed from |
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| line. Have gas line checked by local gas |
| 3. | Air passageways on heater blocked |
| company |
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| 3. | Observe minimum installation clearances |
| 4. | Dirty or partially clogged burner orifice |
| (see Figure 8, page 12) |
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| 4. Clean burner (see “Cleaning and Mainte- | |
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| nance,” page 26) or replace burner orifice |
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White powder residue forming within burner box or on adjacent walls or furniture
1.When heated, vapors from furniture polish, wax, carpet cleaners, etc. turn into white powder residue
1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products
Continued
24 | 49D0090 |
