RJ45 And RJ70
PORTABLE FORCED AIR HEATERS
TROUBLESHOOTING
RJ45
WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.
OBSERVED FAULT | POSSIBLE CAUSE | REMEDY | |||
Motor does not start five seconds after heater | 1. | No power to heater | 1. | Check circuit breaker in electrical panel | |
is plugged in and switched ON |
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| 2. | Bad electrical connection between mo- | 2. | Check all electrical connections. See | |
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| tor and ignition control assembly or ig- |
| Wiring Diagrams, page 12 | |
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| nition assembly and power cord |
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| 3. | Binding pump rotor | 3. | If fan does not turn freely, see Pump Ro- | |
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| tor, page 11 |
| 4. | Defective ignition control assembly | 4. | Replace ignition control assembly | |
| 5. | Defective motor | 5. | Replace motor | |
| 6. | Defective ON/OFF switch | 6. | Replace ON/OFF switch | |
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Motor starts and runs but heater does not | 1. | No fuel in tank | 1. | Fill tank with kerosene | |
ignite | 2. | Pump pressure incorrect | 2. | See Pump Pressure Adjustment, page 8 | |
| 3. | Dirty fuel filter | 3. | See Fuel Filter, page 9 | |
| 4. | Obstruction 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 5 |
WARNING: High voltage!
6.Bad electrical connection between igni- tor and ignition control assembly
7.Defective ignitor
8.Defective ignition control assembly
6.Check electrical connections. See Wir- ing Diagrams, page 12
7.Replace ignitor, see page 9
8.Replace ignition control assembly
Heater ignites but ignition control assembly | 1. | Pump pressure incorrect | 1. | See Pump Pressure Adjustment, page 8 | |
shuts heater off after a short period of time | 2. | Dirty air intake, air output, and/or lint | 2. | See Air Output, Air Intake, and Lint Fil- | |
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| filter |
| ters, page 8 | |
| 3. | Dirty fuel filter | 3. | See Fuel Filter, page 9 | |
| 4. | Obstruction in nozzle | 4. | See Nozzle, page 10 | |
| 5. | Photocell assembly not properly in- | 5. | Make sure photocell boot is properly | |
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| stalled (not seeing the flame) |
| seated in bracket | |
| 6. | Dirty photocell lens | 6. | Clean photocell lens | |
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| WARNING: High voltage! |
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| 7. | Bad electrical connection between pho- | 7. | Check electrical connections. See Wir- | |
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| tocell and ignition control assembly |
| ing Diagrams, page 12 | |
| 8. | Defective photocell | 8. | Replace photocell | |
| 9. | Defective ignition control assembly | 9. | Replace ignition control assembly | |
6 | 104950 |
