TROUBLESHOOTING

23

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 electrode

 

 

8.

Ignitor electrode positioned wrong

8.

Replace ODS pilot

 

 

 

 

 

 

 

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 Main-

 

 

 

 

 

tenance, pages 21 and 22) or replace

 

 

2.

Inlet gas pressure is too low

 

burner orifice

 

 

 

 

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 Main-

 

 

 

 

 

tenance, pages 21 and 22) or replace

 

 

 

 

 

burner orifice

 

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Main-

 

 

 

 

 

tenance, pages 21 and 22) or replace

 

 

2.

Damaged burner

 

burner orifice

 

 

3.

Gas regulator defective

2.

Replace damaged burner

 

 

 

 

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, pages 21 and 22)

 

 

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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Desa VTGF33NRA installation manual Troubleshooting, Observed Problem Possible Cause Remedy