OWNER’S MANUAL
TROUBLESHOOTING
Continued
| OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | |||
| Burner does not light after ODS/pilot is lit | 1. | Burner orifice clogged | 1. | Clean burner (see Cleaning and Mainte- | |
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| nance, page 15) or replace burner orifice | |
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| 2. | Inlet gas pressure is too low | 2. | Contact local natural gas company | |
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| Delayed ignition burner | 1. | Manifold pressure is too low | 1. | Contact local natural gas company | |
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| 2. | Burner orifice clogged | 2. | Clean burner (see Cleaning and Mainte- | |
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| nance, page 15) 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 15) or replace burner orifice | |
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| 2. | Damaged burner | 2. | Replace damaged burner | |
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| 3. | Gas regulator defective | 3. | Replace gas control | |
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| Slight smoke or odor during initial operation | 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 15) | |
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| 2. | Gas regulator defective | 2. | Replace gas control | |
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| 3. | Residues from manufacturing processes | 3. | Problem will stop after a few hours of | |
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| and logs curing |
| operation | |
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| Moisture/condensation noticed on windows | 1. | Not enough combustion/ventilation air | 1. | Refer to Air for Combustion and Venti- | |
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| lation requirements (page 4) | |
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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 | |
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| natural gas company | |
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| 3. | Air passageways on heater blocked | 3. | Observe minimum installation clear- | |
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| ances (see page 7) | |
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| 4. | Dirty or partially clogged burner orifice | 4. | Clean burner (see Cleaning and Mainte- | |
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| nance, page 15) or replace burner orifice | |
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| Dark residue on logs or inside of fireplace | 1. | Improper log placement | 1. | Properly locate logs (see Installing Gas | |
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| Log Heater Into Stove, page 10 ) | |
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| 2. | Drafts or other air currents affecting | 2. | Eliminate source of drafts around heater | |
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| flame pattern |
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| 3. | Air holes at burner inlet blocked | 3. | Clean out air holes at burner inlet. Peri- | |
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| odically repeat as needed | |
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| 4. | Burner flame holes blocked | 4. | Remove blockage | |
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. may turn into white powder residue
1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products
www.desatech.com | Continued |
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