TROUBLESHOOTING
23
TROUBLESHOOTING
Note: For additional help, visit DESA Heating Products’ technical service web site at www.desatech.com.
Note: All troubleshooting items are listed in order of operation.
WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.
CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit.
| OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
| When buttons on remote control are pressed, | 1. | Battery in remote control is either miss- | 1. | Replace battery in remote control |
| there is no response from fireplace |
| ing or has low power |
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| 2. | Remote control is not pointed toward | 2. | Point remote control toward lower front |
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| fireplace |
| panel of fireplace when operating |
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| 3. | Manual ignition bypass switch not in | 3. | Place manual ignition bypass switch in |
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| OFF position |
| OFF position |
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| 4. | No power available to fireplace | 4. | Make sure power cord is plugged into |
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| electrical outlet and outlet has power |
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| 5. | Ignitor electrode not connected to igni- | 5. | Reconnect ignitor cable |
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| tor cable |
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| 6. | Broken ignitor cable | 6. | Replace ignitor cable |
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| 7. | Ignitor electrode broken | 7. | Replace electrode |
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| 8. | Ignitor electrode positioned wrong | 8. | Replace ODS pilot |
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| When wall switch button is pressed, there is | 1. | No power available to fireplace | 1. | Make sure power cord is plugged into |
| no response from fireplace |
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| an electrical outlet and outlet has power |
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| 2. | Manual ignition bypass switch not in | 2. | Place manual ignition bypass switch in |
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| OFF position |
| OFF position |
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| 3. | Wall switch wire harness is disconnected | 3. | Check continuity of wall switch wire |
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| harness. Make sure plug on wall switch |
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| wire harness is fully inserted into socket |
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| on circuit board in fireplace. Replace if |
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| necessary |
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| Burner does not light after ODS/pilot is lit | 1. | Burner orifice clogged | 1. | Clean burner (see Cleaning and Main- |
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| tenance, pages 21 and 22) or replace |
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| 2. | Inlet gas pressure is too low |
| burner orifice |
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| 2. | Contact local gas company |
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| Delayed ignition burner | 1. | Manifold pressure is too low | 1. | Contact local natural or propane/LP gas |
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| company |
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| 2. | Burner orifice clogged | 2. | Clean burner (see Cleaning and Main- |
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| tenance, pages 21 and 22) or replace |
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| burner orifice |
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| Burner backfiring during combustion | 1. | Burner orifice is clogged or damaged | 1. | Clean burner (see Cleaning and Main- |
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| tenance, pages 21 and 22) or replace |
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| 2. | Damaged burner |
| burner orifice |
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| 3. | Gas regulator defective | 2. | Replace damaged burner |
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| 3. | Replace regulator |
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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, pages 21 and 22) |
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| 2. | Gas regulator defective | 2. | Replace regulator |
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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 5) |
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.com
