Desa GK20 Preventative Maintenance Schedule, Troubleshooting, Item, How Often, How To, Remedy

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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	Flush every 150-200 hours of operation or	See Storing, Transporting, or Shipping, page 5
	as needed
Air output and lint filters	Replace every 500 hours of operation or	See Air Output, Air Intake, and Lint Filters, page 10
	once a year
Air intake filter	Wash and dry with soap and water every	See Air Output, Air Intake, and Lint Filters, page 10
	500 hours of operation or as needed
Fuel filter	Clean twice a heating season or as needed	See Fuel Filter, page 8
Ignitor	No maintenance required
Fan blades	Clean every season or as needed	See Fan, page 13
Motor	Not required/permanently lubricated

TROUBLESHOOTING

ATTENTION: The ignition control has built-in protection against current overloads. Use the light in the ON/OFF switch to trouble- shoot the fault condition.

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 after heater is plugged in (ON/OFF switch light remains on)

1.Bad electrical connection between motor and ignition control assembly or ignition control assembly and power cord

1.Check all electrical connections. See Wiring Diagram, page 14

		WARNING: High voltage!
2.	Binding pump rotor		2.	If fan does not turn freely, see Pump
				Rotor, page 12
3.	Defective ignition control assembly		3.	Replace ignition control assembly
4.	Defective motor		4.	Replace motor

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