PREVENTATIVE MAINTENANCE SCHEDULE
WARNING: Never service heater while it is plugged in, operating or hot. Severe burns and electrical shock can occur.
Item | How Often | How To |
Fuel tank
Air output and lint filters
Air intake filter
Fuel filter
Ignitor
Fan blades
Motor
Flush every | See Storing, Transporting, or |
or as needed | Shipping, page 7 |
Replace every 500 hours of operation | See Air Output, Air Intake, and |
or once a year | Lint Filters, page 10 |
Wash and dry with soap and water every | See Air Output, Air Intake, and |
500 hours of operation or as needed | Lint Filters, page 10 |
Clean twice a heating season or as | See Fuel Filter, page 11 |
needed |
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No maintenance required |
|
Clean every season or as needed | See Fan, page 10 |
Not required/permanently lubricated |
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TROUBLESHOOTING
WARNING: Never service heater while it is plugged in, operating or hot. Severe burns and electrical shock can occur.
FAULT CONDITION | POSSIBLE CAUSE | REMEDY | ||
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Motor does not start five seconds | 1. | No power to heater | 1. | Check circuit breaker in elec- |
after heater is plugged in | 2. | ON/OFF switch not in the |
| trical panel |
| 2. | Verify the ON/OFF switch is in | ||
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| ON() position |
| ON () position and light is on |
| 3. | Thermostat setting is too low | 3. | Turn thermostat knob to a |
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| higher setting |
WARNING: High voltage!
4.Bad electrical connection be- tween motor and ignition con- trol assembly or ignition control assembly and power cord
5.Binding pump rotor
6.Defective ignition control as- sembly
7.Defective motor
8.Blown fuse or ignitor control assembly
4.Check all electrical connec- tions. See Wiring Diagrams, page 25
5.If fan does not turn freely, see Pump Rotor, page 14
6Replace ignition control as- sembly
7.Replace motor
8.See Ignition Control Assembly, page 15
8 | www.desatech.com |