TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
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Heater shuts off in use (ODS | 1. | Not enough fresh air is | 1. | Open window and/or door |
operates) |
| available |
| for ventilation |
| 2. | Low line pressure | 2. | Contact local natural or |
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| propane/LP gas company |
| 3. | ODS/pilot is partially | 3. | Clean ODS/pilot (see Clean- |
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| clogged |
| ing, page 17) |
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Slight smoke or odor during | 1. | Residues from manufactur- | 1. | Problem will stop after a few |
initial operation |
| ing processes |
| hours of operation |
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Heater produces a whistling | 1. | Turning control knob to | 1. | Turn control knob to LOW |
noise when burner is lit |
| HIGH or position 5 when |
| or position 1 and let warm |
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| burner is cold |
| 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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| checked by local natural or |
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| propane/LP gas company |
| 3. | Air passageways on heater | 3. | Observe minimum installa- |
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| blocked |
| tion clearances (see Figure |
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| 4, page 8) |
| 4. | Dirty or partially clogged | 4. | Clean burner (see Cleaning, |
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| burner orifice |
| page 17) or replace burner |
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| orifice |
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Heater produces a clicking/ | 1. | Metal expanding while heat- | 1. | This is normal with most |
ticking noise just after burner |
| ing or contracting while |
| heaters. If noise is exces- |
is lit or shut off |
| cooling |
| sive, contact qualified ser- |
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| vice person |
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White powder residue forming | 1. | When heated, vapors from | 1. | Turn heater off when us- |
within burner box or on adja- |
| furniture polish, wax, carpet |
| ing furniture polish, wax, |
cent walls or furniture |
| cleaners, etc. may turn into |
| carpet cleaners or similar |
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| white powder residue |
| products |
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Moisture/condensation no- | 1. | Not enough combustion/ | 1. | Refer to Air for Combustion |
ticed on windows |
| ventilation air |
| and Ventilation require- |
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| ments (page 5) |
20 | www.desatech.com |