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 150-200 hours of operation

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

 

No maintenance required

 

Clean every season or as needed

See Fan, page 10

Not required/permanently lubricated

 

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

 

 

 

 

 

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

 

 

ON() position

 

ON () position and light is on

 

3.

Thermostat setting is too low

3.

Turn thermostat knob to a

 

 

 

 

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

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Desa RC115DT, BC55CT, BC115DT Preventative Maintenance Schedule, Troubleshooting, Fault Condition Possible Cause Remedy