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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Heater produces a whistling noise | 1. Turning control knob to posi- | 1. | Turn control knob to position 1 | |
when burner is lit |
| tion 5 when burner is cold |
| and let warm up for a minute |
| 2. | Air in gas line | 2. | Operate burner until air is |
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| removed from line. Have gas |
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| line checked by local natural |
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| or propane/LP gas company |
| 3. | Air passageways on heater | 3. | Observe minimum installation |
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| blocked |
| clearances (see Figure 4, page 8) |
| 4. | Dirty or partially clogged | 4. | Clean burner (see Cleaning |
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| burner orifice |
| and Maintenance, page 16) |
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| or 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 |
| cleaner, etc., may turn into |
| cleaners or similar products |
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| white powder residue |
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Heater produces a clicking/tick- | 1. Metal expanding while heating | 1. | This is common with most heat- | |
ing noise just after burner is lit |
| or contracting while cooling |
| ers. If noise is excessive, contact |
or shut off |
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| qualified service person |
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Heater produces unwanted | 1. Heater burning vapors from | 1. | Ventilate room. Stop using | |
odors |
| paint, hair spray, glues, etc. |
| odor causing products while |
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| (see IMPORTANT statement |
| heater is running |
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| above) | 2. | Refill supply tank |
| 2. | Low fuel supply (propane/LP | ||
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| gas only) | 3. | Locate and correct all leaks |
| 3. | Gas leak. See Warning | ||
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| statement above |
| (see Checking Gas Connec- |
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| tions, page 12) |
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Heater shuts off in use (ODS | 1. Not enough fresh air is | 1. | Open window and/or door for | |
operates) |
| available |
| ventilation |
| 2. | Low line pressure | 2. | Contact local natural or pro- |
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| pane/LP gas company |
| 3. | ODS/pilot is partially | 3. | Clean ODS/pilot (see Cleaning |
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| clogged |
| and Maintenance, page 17) |
20 | www.desatech.com |
