Preventative Maintenance Schedule; How Often; Troubleshooting - Desa H.S.I. Serie Manual Del Propietário

PREVENTATIVE MAINTENANCE SCHEDULE

WARNING: Never service heater while it is plugged in, operating,
or hot. Severe burns and electrical shock can occur.
Item
Fuel tank
Air output and lint filters
Air intake filter
Fuel filter
Ignitor
Fan blades
Motor
WARNING: Never service heater while it is plugged in, operating,
or hot. Severe burns and electrical shock can occur.
FAULT CONDITION
Motor does not start five sec-
onds after heater is plugged in
114008-01A

How Often

Flush every 150-200 hours of operation
or as needed
Replace every 500 hours of operation or
once a year
Wash and dry with soap and water every
500 hours of operation or as needed
Clean twice a heating season or as needed
No maintenance required
Clean every season or as needed
Not required/permanently lubricated

TROUBLESHOOTING

POSSIBLE CAUSE
1. No power to heater
2. If equipped, thermostat setting
is too low
3. Bad electrical connection be-
tween motor and ignition con-
trol assembly or ignition con-
trol assembly and power cord
4. Binding pump rotor
5. Defective ignition control as-
sembly
6. Defective motor
7. Blown fuse or ignitor control
assembly
www.desatech.com
How To
See Storing, Transporting, or
Shipping, page 6
See Air Output, Air Intake, and
Lint Filters, pages 9 and 10
See Air Output, Air Intake, and
Lint Filters, pages 9 and 10
See Fuel Filter, pages 10 and 11
See Fan, page 9
REMEDY
1. Check circuit breaker in elec-
2. Turn thermostat knob to a
WARNING: High voltage!
3. Check all electrical connec-
4. If fan does not turn freely, see
5. Replace ignition control as-
6. Replace motor
7. See Ignition Control Assem-
trical panel
higher setting
tions. See Wiring Diagrams,
pages 16 and 17
Pump Rotor, pages 14 and 15
sembly
bly, page 15
7