Troubleshooting, Observed Problem, Possible Cause

TROUBLESHOOTING

Note: For additional help, visit DESA Heating Products’ technical service web site at www.desatech.com.

Note: All troubleshooting items are listed in order of operation.

WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.

CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit.

OBSERVED PROBLEM	POSSIBLE CAUSE		REMEDY
When buttons on remote control are pressed,	1.	Battery in remote control is either miss-	1.	Replace battery in remote control
there is no response from fireplace		ing or has low power
	2.	Remote control is not pointed toward	2.	Point remote control toward lower front
		fireplace		panel of fireplace when operating
	3.	Manual ignition bypass switch not in	3.	Place manual ignition bypass switch in
		OFF position		OFF position
	4.	No power available to fireplace	4.	Make sure power cord is plugged into
				electrical outlet and outlet has power
	5.	Ignitor electrode not connected to igni-	5.	Reconnect ignitor cable
		tor cable
	6.	Broken ignitor cable	6.	Replace ignitor cable
	7.	Ignitor electrode broken	7.	Replace pilot assembly
	8.	Ignitor electrode positioned wrong	8.	Replace pilot assembly

When wall switch button is pressed, there is	1.	No power available to fireplace	1.	Make sure power cord is plugged into
no response from fireplace				an electrical outlet and outlet has power
	2.	Manual ignition bypass switch not in	2.	Place manual ignition bypass switch in
		OFF position		OFF position
	3.	Wall switch wire harness is disconnected	3.	Check continuity of wall switch wire
				harness. Make sure plug on wall switch
				wire harness is fully inserted into socket
				on circuit board in fireplace. Replace if
				necessary

Burner does not light after ODS/pilot is lit	1.	Burner orifice clogged	1.	Clean burner (see Cleaning and Mainte-
				nance, page 26) or replace burner orifice
	2.	Inlet gas pressure is too low	2.	Contact local gas company

Delayed ignition burner	1.	Manifold pressure is too low	1.	Contact local natural or propane/LP gas
				company
	2.	Burner orifice clogged	2.	Clean burner (see Cleaning and Mainte-
				nance, page 26) or replace burner orifice

Burner backfiring during combustion	1.	Burner orifice is clogged or damaged	1.	Clean burner (see Cleaning and Mainte-
				nance, page 26) or replace burner orifice
	2.	Damaged burner	2.	Replace damaged burner
	3.	Gas regulator defective	3.	Replace regulator

Slight smoke or odor during initial operation	1.	Not enough air	1.	Check burner for dirt and debris. If
				found, clean burner (see Cleaning and
				Maintenance, page 26)
	2.	Gas regulator defective	2.	Replace regulator
	3.	Residues from manufacturing processes	3.	Problem will stop after a few hours of
		and logs curing		operation

Moisture/condensation noticed on windows	1.	Not enough combustion/ventilation air	1.	Refer to Air for Combustion and Venti-
				lation requirements (page 5)

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111245-01A

TROUBLESHOOTING

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Maintenance, page 26)

Refer to Air for Combustion and Venti-