OWNER’S MANUAL
TROUBLESHOOTING
Note: For additional help, visit DESA International’s Technical Service web site at www.desatech.com.
WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.
OBSERVED FAULT | POSSIBLE CAUSE | REMEDY | ||||
Heater ignites, but | 1. | Wrong pump pressure | 1. See Pump Pressure Adjustment, page 8 | |||
off heater after a short period of time | 2. | Dirty air output, air intake and lint | 2. See Air Output, Air Intake and Lint Fil- | |||
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| 3. | Dirty fuel filter | 3. See Fuel Filter, page 9 | |||
| 4. | Dirt in nozzle | 4. See Nozzle, page 10 | |||
| 5. | Dirty photocell lens | 5. | Clean photocell lens | ||
| 6. | Bad | 6. | Replace | ||
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Heater will not ignite, but motor runs for a | 1. | Wrong pump pressure | 1. | See Pump Pressure Adjustment, page 8 | ||
short period of time | 2. | Improper spark plug gap/position or | 2. | See Spark Plug, page 10 | ||
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| carbon deposits across gap |
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| 3. | Dirty fuel filter | 3. | See Fuel Filter, page 9 | ||
| 4. | Dirt in nozzle | 4. | See Nozzle, page 10 | ||
| 5. | Water in fuel tank | 5. | Drain and flush fuel tank with clean | ||
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| kerosene. See Storing, Transporting, or | |
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| Shipping, page 6 | |
| 6. | Bad fuel valve | 6. | See Fuel Valve, page 9 | ||
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| WARNING: High voltage! |
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| 7. | Electronic ignitor not grounded | 7. | Make sure electronic ignitor mounting | ||
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| 8. | Bad electronic ignitor | 8. | Replace electronic ignitor | ||
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Motor does not start when heater is plugged | 1. | |
in, fan rotates slowly or does not turn | 2. | Thermostat setting is too low |
| 3. | Solid state relay not allowed to reset |
| 4. | Binding pump rotor |
1.Press
2.Turn thermostat knob to a higher setting.
3.Wait two minutes before trying to re- start heater
4.If fan is hard to turn, see Pump Rotor, page 11
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