troubleshooting
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | |||
Burner backfiring during com- | 1. | Burner orifice is clogged or | 1. | Clean burner (see Cleaning |
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bustion |
| damaged |
| and Maintenance, page 19) or | |
| 2. | Damaged burner | 2. | replace burner orifice | |
| Replace damaged burner | ||||
| 3. | Gas regulator defective | 3. | Replace gas regulator | |
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Orange flame in burner during | 1. | Not enough air | 1. | Check burner for dirt and | |
burner combustion |
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| debris. If found, clean burner | |
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| (see Cleaning and Mainte- | |
| 2. | Gas regulator defective | 2. | nance, page 19) | |
| Replace gas control | ||||
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Slight smoke or odor during | 1. | Residues from manufacturing | 1. | Problem will stop after a few | |
initial operation (first hour) |
| processes and logs curing |
| hours of operation | |
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Heater produces awhistling noise | 1. | Turning control knob to HI | 1. | Turn control knob to LO | |
when burner is lit |
| position when burner is cold |
| position and let warm up for | |
| 2. | Air in gas line | 2. | a minute | |
| Operate burner until air is | ||||
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| removed from line. Have gas | |
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| line checked by local natural | |
| 3. | Air passageways on heater | 3. | or propane/LP gas company | |
| Observe minimum installation | ||||
| 4. | blocked | 4. | clearances (see page 9) | |
| Dirty or partially clogged | Clean burner (see Cleaning | |||
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| burner orifice(s) |
| and Maintenance, page 19) or | |
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| replace burner orifice | |
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White powder residue forming | 1. | When heated, vapors from | 1. | Turn heater off when using | |
within burner box or on adjacent |
| furniture polish, wax, carpet |
| furniture polish, wax, carpet | |
walls or furniture |
| cleaners, etc. may turn into |
| cleaners or similar products | |
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| white powder residue |
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Moisture/condensation noticed | 1. | Not enough combustion/ven- | 1. | Refer to Air for Combustion | |
on windows |
| tilation air |
| and Ventilation requirements | |
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| (page 5) | |
22 | www.desatech.com |
