OWNER’S MANUAL
TROUBLESHOOTING
Continued
| OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
| Burner does not light after ODS/pilot is lit | 1. | Burner orifice is clogged | 1. | Clean burner (see Cleaning and Mainte- |
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| nance, page 19) or replace burner orifice |
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| 2. | Burner orifice diameter is too small | 2. | Replace burner orifice |
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| 3. | Inlet gas pressure is too low | 3. | Contact local propane/LP company |
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| Delayed ignition of burner | 1. | Manifold pressure is too low | 1. | Contact local propane/LP company |
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| 2. | Burner orifice is clogged | 2. | Clean burner (see Cleaning and Mainte- |
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| nance, page 19) 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 19) or replace burner orifice |
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| 2. | Burner damaged | 2. | Replace burner |
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| 3. | Gas regulator defective | 3. | 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 19) |
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| 2. | Gas regulator defective | 2. | 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. | 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 |
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| 2. | Air in gas line | 2. | Operate burner until air is removed from |
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| line. Have gas line checked by local pro- |
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| pane/LP company |
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| 3. | Air passageways on heater blocked | 3. | Observe minimum installation clear- |
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| ances (see Figure 9, page 8) |
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| 4. | Dirty or partially clogged burner orifice | 4. | Clean burner (see Cleaning and Mainte- |
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| nance, page 19) or replace burner orifice |
White powder residue forming within burner box or on adjacent walls or furniture
1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. turn into white powder residue
1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products
www.desatech.com | Continued |
107102 | 17 | For more information, visit www.desatech.com |