Desa R200, REM200, B200 Troubleshooting, Observed Fault, Possible Cause, Remedy, ters, page

OWNER’S MANUAL

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.

OBSERVED FAULT POSSIBLE CAUSE REMEDY

Heater ignites, but flame-out control shuts off heater after a short period of time

1.	Wrong pump pressure	1.	See Pump Pressure Adjustment, page 8
2.	Dirty air output, air intake and lint	2.	See Air Output, Air Intake and Lint Fil-
	filters		ters, page 8
3.	Dirty fuel filter	3.	See Fuel Filter, page 9
4.	Dirt in nozzle	4.	See Nozzle, page 10
5.	Dirty photocell lens	5.	Clean photocell lens
6.	Bad flame-out control	6.	Replace flame-out control

Heater will not ignite, but motor runs for a short period of time

1.Wrong pump pressure

2.Improper spark plug gap/position or carbon deposits across gap

3.Dirty fuel filter

4.Dirt in nozzle

5.Water in fuel tank

1.See Pump Pressure Adjustment, page 8

2.See Spark Plug, page 10

3.See Fuel Filter, page 9

4.See Nozzle, page 10

5.Drain and flush fuel tank with clean kerosene. See Storing, Transporting, or Shipping, page 6

6. Bad fuel valve 6. See Fuel Valve, page 9

WARNING: High voltage!

	7.	Electronic ignitor not grounded	7.	Make sure electronic ignitor mounting
				is tight
	8.	Bad electronic ignitor	8.	Replace electronic ignitor
Motor does not start when heater is plugged	1.	Flame-out control not reset	1.	Press flame-out control reset button
in, fan rotates slowly or does not turn	2.	Solid state relay not allowed to reset	2.	Wait two minutes before trying to re-
				start heater
	3.	Binding pump rotor	3.	If fan is hard to turn, see Pump Rotor,

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