14 Troubleshooting

With proper installation, operation, and maintenance your gas appliance will provide years of trouble-free service. If you do experience a problem, this troubleshooting guide will assist a qualified service person in the diagnosis of a problem and the corrective action to be taken. This troubleshooting guide can only be used by a qualified service technician.

A. Intellifire Ignition System

Sympton

Possible Cause

Corrective Action

1. The ignitor/module makes

a. Incorrect wiring.

Verify “S” wire (white) for sensor and “I” wire (orange) for ignitor

noise, but no spark.

 

are connected to correct terminals on module and pilot assembly.

 

 

Reversed wires at the module may cause system to make sparking

 

 

noise, but spark may not be present at pilot hood.

 

 

 

 

b. Loose connections or elec-

Verify no loose connections or electrical shorts in wiring from mod-

 

trical shorts in the wiring.

ule to pilot assembly. Rod closest to pilot hood should be ignitor.

 

 

Verify connections underneath pilot assembly are tight; also verify

 

 

connections are not grounding out to metal chassis, pilot burner,

 

 

pilot enclosure, mesh screen if present, or any other metal object.

 

 

 

 

c. Ignitor gap is too large.

Verify gap of igniter to pilot hood. The gap should be approximately

 

 

.17 inch or 1/8 inch.

 

 

 

 

d. Faulty module.

Turn ON/OFF rocker switch or wall switch to OFF position. Remove

 

 

ignitor wire “I” from module. Place ON/OFF Rocker switch or wall

 

 

switch in ON position. Hold ground wire about 3/16 inch away from

 

 

“I” terminal on module. If there is no spark at “I” terminal module

 

 

must be replaced. If there is a spark at “I” terminal, module is fine.

 

 

Inspect pilot assembly for shorted sparker wire or cracked insulator

 

 

around electrode.

 

 

 

2. Pilot won’t light, there is no

a. Transformer installed cor-

Verify that transformer is installed and plugged into module. Check

noise or spark.

rectly.

voltage of transformer under load at spade connection on module

 

 

with ON/OFF switch in ON position. Acceptable readings of a good

 

 

transformer are between 3.2 and 2.8 volts AC.

 

 

 

 

b. A shorted or loose connec-

Remove and reinstall the wiring harness that plugs into module.

 

tion in wiring configuration or

Verify there is a tight fit. Verify pilot assembly wiring to module.

 

wiring harness.

Remove and verify continuity of each wire in wiring harness.

 

 

 

 

c. Improper wall switch wiring.

Verify that 110/VAC power is “ON” to junction box.

 

 

 

 

d. Module not grounded.

Verify black ground wire from module wire harness is grounded to

 

 

metal chassis of appliance.

 

 

 

 

e. Faulty module.

Turn ON/OFF rocker switch or wall switch to OFF position. Remove

 

 

ignitor wire “I” from module. Place ON/OFF Rocker switch or wall

 

 

switch in ON position. Hold ground wire about 3/16 inch away from

 

 

“I” terminal on module. If there is no spark at “I” terminal module

 

 

must be replaced. If there is a spark at “I” terminal, module is fine.

 

 

Inspect pilot assembly for shorted sparker wire or cracked insulator

 

 

around electrode.

 

 

 

3. Pilot lights but continues to

a. A shorted or loose connec-

Verify all connections to wiring diagram in manual. Verify connec-

spark, and main burner will not

tion in sensor rod.

tions underneath pilot assembly are tight. Verify connections are

ignite. (If the pilot continues to

 

not grounding out to metal chassis, pilot burner, pilot enclosure or

spark after the pilot flame has

 

screen if present, or any other metal object.

been lit, flame rectification has

 

 

not occurred.)

 

 

 

 

 

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Heat & Glo • Bravo • 704-902 Rev. E • 7/08

Page 44
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Heat & Glo LifeStyle 704-902 Troubleshooting, Intellifire Ignition System, Sympton Possible Cause Corrective Action

704-902 specifications

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