TROUBLESHOOTING
Continued
WARNING: If you smell gas
•Shut off gas supply.
•Do not try to light any appliance.
•Do not touch any electrical switch; do not use any phone in your building.
•Immediately call your gas supplier from a neighbor’s phone. Fol- low the gas supplier’s instructions.
•If you cannot reach your gas supplier, call the fire department.
IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors.
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||||
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Burner backfiring during com- | 1. Burner orifice is clogged or | 1. | Clean burner orifice (see Clean- | |||
bustion |
| damaged |
| ing and Maintenance, page 7) | ||
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| 2. | Inlet gas pressure is too low |
| or replace burner orifice | |
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| 2. | Replace propane/LP gas | |||
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| 3. | Burner damaged |
| cylinder | |
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| 3. | Replace burner | |||
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| 4. | Gas regulator defective | 4. | Replace gas regulator | |
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Slight smoke or odor during | 1. Residues from manufacturing | 1. | Problem will stop after a few | |||
initial operation |
| processes |
| hours of operation | ||
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Heater produces unwanted | 1. Heater burning vapors from | 1. | For outdoor use only. Stop | |||
odors |
| paint, hair spray, glues, etc. |
| using | ||
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| See IMPORTANT statement |
| while heater is running | |
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| above | 2. | Replace propane/LP gas | |
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| 2. | Low fuel supply | |||
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| cylinder | |
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| 3. | Gas leak. See Warning | 3. | Locate and correct all leaks | |
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| statement at top of page |
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Heater shuts off in use | 1. Not enough fresh air is avail- | 1. | For outdoor use only. Provide | |||
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| able |
| adequate ventilation | |
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| 2. | Low line pressure | 2. | Replace propane/LP gas | |
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| 3. | ODS/pilot is partially |
| cylinder | |
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| 3. | Clean ODS/pilot (see Cleaning | |||
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| clogged |
| and Maintenance, page 7) | |
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| 4. | Tip over switch activated | 4. | Relight heater | |
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| from bumping heater |
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Gas odor even when control knob | 1. Gas leak. See Warning | 1. | Locate and correct all leaks | |||
is in OFF position |
| statement at top of page |
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| 2. | Control valve defective | 2. | Replace control valve | |
10 | www.desatech.com |