Desa CP600AK Preventative Maintenance Schedule, Troubleshooting, How Often, How To, Remedy

6

PREVENTATIVE MAINTENANCE SCHEDULE TROUBLESHOOTING

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

Filler neck screen

Fuel filter assembly (Fuel tank) Fuel filter lines

Fuel filter (In pump or external canister)

Spark plug

Fan blades and air deflectors Air passages around burner head Motor

Flush every 150-200 hours of operation or as needed

Check for particles in fuel when filling fuel tank. Clean when dirty

Clean twice a heating season or replace as needed Check and tighten loose connections occasionally Clean fuel filter element every 250 hours

Clean and regap every 300 hours of operation or replace as needed

Clean each season or as needed

Check each season for dirt and debris

Not required, permanently lubricated

See Storing, Transporting, or Shipping, page 5 Lift out of fuel tank and rinse with clean kerosene

See Fuel Filters, page 11

See Fuel Lines, Page 10

See Fuel Filters, page 11

See Spark Plug, page 9

See Fan Blades and Air Deflectors, page 9 Remove debris and trash with a clean, soft cloth

TROUBLESHOOTING

Note: For additional help, visit DESA International’s Technical Service web site at www.desatech.com.

WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Only a qualifi ed service person should service and repair heater.

OBSERVED PROBLEM POSSIBLE CAUSE REMEDY

Motor does not start when heater is plugged in and thermostat setting is higher than surrounding air temperature

1.No power or low voltage at heater due to:

A)Damaged power cord or extension cord

B)Wrong size extension cord

C)Heater plugged into outlet with volt- age lower than 120 volt

2.Loose electrical connections

3.Motor overload protector tripped due to:

A)Dirty fan

B)Debris pulled into fan area by fan

C)Binding pump

D)Low voltage

4.Flame-out control not reset

5.Damaged flame-out control

6.Damaged power relay

7.Damaged thermostat

8.Binding pump

1.A) Check condition of power cord or ex- tension cord. Repair or replace if damaged

B)Use extension cord with proper wire size (see To Start Heater, page 4)

C)Make sure heater is plugged into 120 volt/60 hertz outlet

2.Check connections. Tighten if loose

3.A) See Fan Blades and Air Deflectors, page 9

B)Remove debris from fan and fan guard area

C)Turn fan by hand. If fan is hard to turn, see Pump, page 10

D)See steps B and C under item 1 above Note: Be sure to reset motor overload protector by pressing reset button on top of motor

4.Press and release flame-out control re- set button. See Figure 4, page 4 for but- ton location

5.Replace flame-out control

6.Replace power relay

7.Replace thermostat

8.Turn fan by hand. If fan is hard to turn, see Pump, page 10

105850-01D