12

TROUBLESHOOTING THE ELECTRONIC IGNITION SYSTEM

Note: Before troubleshooting, be sure that the appliance main line gas shut-off valve, the gas control valve and the wall switch are in the “ON” position.

Important: Valve system troubleshooting should only be accomplished by a qualified service technician.

 

SYMPTOM

POSSIBLE CAUSES

CORRECTIVE ACTION

 

 

 

 

1.

Nothing happens when

A. Dead batteries.

Replace batteries (Refer to page 4).

 

ON/OFF switch is turned

 

 

 

 

 

 

on (pilot does not

B. Low voltage/or bad lead

Check voltage on the batteries. The value should be around 2.7 to 3.2 VAC.

 

spark).

wires.

Confirm that wire connections are secure.

 

 

 

 

 

 

C. Damaged igniter wire.

Check for visible cracked casing, cuts, etc.

 

 

 

 

 

 

D. Damaged pilot assembly.

Check pilot assembly for visibly broken spark electrode, etc.

 

 

 

 

2.

The main burner does

A. No fuel supply.

Ensure that the gas supply is turned on.

 

not light and the igniter

 

 

 

 

 

 

is sparking.

B. Loose sensor wire.

Ensure sensor wire connection is secure.

 

 

 

 

 

 

C. Lose wires to valve.

Ensure black, green and orange wires connection is secure to valve.

 

 

 

 

 

 

D. Loose wires to ignition

Ensure black sensor wire (S) and black igniter wire (I) is secure to ignition

 

 

module.

module.

 

 

 

 

 

 

E. Air in the gas line.

Purge gas line of air.

 

 

 

 

 

 

F. Low voltage.

Test voltage at the batteries. It should be around 2.7 to 3.2 VAC.

 

 

 

 

3.

The main burner come

A. Gas supply is turned

Turned gas supply to "ON".

 

"ON" but then go "OFF".

"OFF".

 

 

 

 

 

 

 

B. Loose wire connection

Check wire connection.

 

 

on valve or ignition

 

 

 

module.

 

 

 

 

 

 

 

C. Flame does not engulf

Check location of sensor.

 

 

flame sensor.

 

 

 

 

 

4.

Log soot.

A. Flame impingement on

Check for proper log placement.

 

 

the log.

 

 

 

 

 

 

 

B. Improper air shutter

Check for proper air shutter openings.

 

 

opening.

 

 

 

 

 

5.

The main burner shuts

A. Lose wire to valve or

Reset the limit switch. Check the burner pan for the proper application of lava

 

off but the pilot remains

limit switch has

rock.

 

lit.

activated.

 

 

 

 

 

Page 11 Page 13
Page 12
Image 12
Lennox Hearth E36ODGPE, E42ODGNE Troubleshooting the Electronic Ignition System, Symptom Possible Causes Corrective Action
Page 11 Page 13

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