TROUBLESHOOTING
Continued
FAULT CONDITION | POSSIBLE CAUSE | REMEDY | ||
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- |
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| ment, page 10 |
| 3. | Dirty fuel filter | 3. | See Fuel Filter, page 10 |
| 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 6 |
WARNING: High voltage!
6.Bad electrical connection be- tween ignitor and ignition con- trol assembly
7.Defective ignitor
8.Defective ignition control as- sembly
9.200 Model Only: Defective fuel valve (Models equipped with fuel valve only)
6.Check electrical connections. See Wiring Diagrams, page 16
7.Replace ignitor, see page 11
8.Replace ignition control as- sembly
9.See Fuel Valve, page 11
Heater ignites but ignition con- | 1. Pump pressure incorrect | 1. | See Pump Pressure Adjust- | |
trol assembly shuts heater off |
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| ment, page 10 |
after a short period of time | 2. Dirty air intake, air output, | 2. | See Air Output, Air Intake, and | |
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| and/or lint filter |
| Lint Filters, page 9 |
| 3. | Dirty fuel filter | 3. | See Fuel Filter, page 10 |
| 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 be- tween photocell and ignition control assembly
8.Defective photocell
9.Defective ignition control as- sembly
7.Check electrical connections. See Wiring Diagrams, page 16
8.Replace photocell
9.Replace ignition control as- sembly
8 | www.desatech.com |
