TROUBLE- SHOOTING
WARNING
To avoid risk of burn and electrical shock, never attempt to service heater while it is plugged in, operating, or hot.
OBSERVED FAULT
Heater ignites, but safety control shuts off heater after a short period of time.
POSSIBLE CAUSE | REMEDY |
Incorrect pump pressure | See Pump Pressure |
| Adjustment, page 13. |
Dirty air output, air | See Air Output, Air Intake |
intake and lint filters | and Lint Filters, page 12. |
Dirty fuel filter | See Fuel Filter, page 13. |
Dirt in nozzle | See Nozzle, page 15. |
Dirty photocell lens | Clean photocell lens. |
Defective safety control | Replace safety control. |
Heater will not ignite, but motor runs for a short period of time.
Incorrect pump pressure
Carbon deposits on spark plug and/or improper gap
Dirty fuel filter
Dirt in nozzle
Water in fuel tank
See Pump Pressure
Adjustment, page 13.
See Spark Plug, page 14.
See Fuel Filter, page 13.
See Nozzle, page 15.
Drain and flush fuel tank with clean kerosene. See Storing, Transporting, or Shipping, page 10.
| WARNING: High voltage! |
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| Electronic ignitor not | Make sure electronic |
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| grounded | ignitor mounting is tight. |
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| Defective electronic | Replace electronic ignitor. |
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| ignitor |
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Motor hums when | Solid state relay not | Wait two minutes before |
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heater is plugged in, | allowed to reset | trying to restart heater. |
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fan rotates slowly or | Binding pump rotor | If fan is hard to turn, see |
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does not turn. |
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| Pump Rotor, page 16. |
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Motor does not start; | Motor thermal trip out | Wait for motor to cool |
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thermostat (if used) |
| down. It will reset |
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is set to call for heat. |
| automatically. |
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099618
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