TROUBLESHOOTING
Continued
FAULT CONDITION | POSSIBLE CAUSE | REMEDY | ||
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Motor starts and runs but heater | 1. No fuel in tank | 1. | Fill tank with kerosene | |
does not ignite | 2. | Pump pressure incorrect | 2. | See Pump Pressure Adjust- |
| 3. | Dirty fuel filter |
| ment, page 11 |
| 3. | See Fuel Filter, page 11 | ||
| 4. | Obstruction in nozzle | 4. | See Nozzle Assembly, page 13 |
| 5. | Water in fuel tank | 5. | Drain and flush fuel tank with |
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| clean kerosene. See Storing, |
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| Transporting or Shipping, |
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| page 7 |
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| WARNING: High voltage! |
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| 6. | Bad electrical connection | 6. | Check electrical connections. | ||
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| between ignitor and ignition |
| See Wiring Diagrams, page 25 | ||
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| control assembly |
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| 7. | Defective ignitor | 7. | Replace ignitor, see page 12 | ||
| 8. | Defective ignition control | 8. | Replace ignition control as- | ||
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| assembly |
| sembly | ||
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Heater ignites but ignition con- | 1. Pump pressure incorrect | 1. | See Pump Pressure Adjust- | |||
trol assembly shuts heater off | 2. Dirty air intake, air output, |
| ment, page 11 | |||
after a short period of time | 2. | See Air Output, Air Intake, and | ||||
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| and/or lint filter |
| Lint Filters, page 10 | ||
| 3. | Dirty fuel filter | 3. | See Fuel Filter, page 11 | ||
| 4. | Obstruction in nozzle | 4. | See Nozzle Assembly, page 13 | ||
| 5. Photocell assembly not properly | 5. | Make sure photocell boot is | |||
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| installed (not seeing the flame) |
| properly seated in bracket | ||
| 6. | Dirty photocell lens | 6. | Clean photocell lens | ||
WARNING: High voltage!
7.Bad electrical connection between photocell and ignition control assembly
8.Defective photocell
9.Defective ignition control as- sembly
7.Check electrical connections. See Wiring Diagrams, page 25
8.Replace photocell
9.Replace ignition control as- sembly
www.desatech.com | 9 |
