Preventative Maintenance Schedule; How Often; Troubleshooting - Desa 125T Serie Manual De Propietario

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 seconds
after heater is plugged in
INDICATOR LIGHT
• Ignitor
• Flame
8

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. ON/OFF switch not in the ON
(|) position
3. Thermostat setting is too low
4. Bad electrical connector at
ON/OFF switch or thermostat
5. Blown fuse on ignition control
assembly
6. Defective ignition control
assembly
7. Bad connection between motor
and ignition control assembly
8. Binding pump rotor
9. Defective motor
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How To
See Storing, Transporting, or
Shipping, page 7
See Air Output, Air Intake and
Lint Filters, page 10
See Air Output, Air Intake and
Lint Filters, page 10
See Fuel Filter, page 11
See Fan, page 10
REMEDY
1. Check circuit breaker in elec-
trical panel
2. Verify the ON/OFF switch is in
ON (|) position and light is on
3. Turn thermostat knob to a
higher setting
WARNING: High voltage!
4. Check all electrical connections.
See Wiring Diagrams, page 16.
Check voltage to and from ON/
OFF switch and thermostat
5. See Ignition Control Assembly,
page 14
6. Replace ignition control
assembly
7. Check all electrical connections.
See Wiring Diagrams, page 16.
8. If fan does not turn freely, see
Pump Rotor, page 14
9. Replace motor
118637-01B