TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
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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) |
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Heater produces a whistling | 1. | Turning control knob to HI po- | 1. Turn control knob to LO position | |
noise when burners are lit |
| sition when burners are cold |
| and let warm up for a minute |
| 2. | Air in gas line | 2. | Operate burners 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 page 9) |
| 4. | Dirty or partially clogged | 4. | Clean burners (see Cleaning |
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| burner orifice(s) |
| and Maintenance, page 21) |
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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 |
| cleaners, 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 |
ing noise just after burners are |
| or contracting while cooling |
| heaters. If noise is excessive, |
lit or shut off |
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| contact qualified service |
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| person |
www.desatech.com | 25 |