Hearth and Home Technologies GBFL4136I Intellifire Ignition System - continued, sensing rod

Intellifire Ignition System - (continued)

Symptom	Possible Cause	Corrective Action
4. Pilot lights but contin-	a. A shorted or loose connection in flame	Verify all connections to wiring diagram in manual. Verify
ues to spark, and main	sensing rod.	connections underneath pilot assembly are tight. Verify
burner will not ignite.		connections are not grounding out to metal chassis, pilot
(If the pilot continues		burner, pilot enclosure or screen if present, or any other
to spark after the		metal object.
pilot flame has been lit,
	b. Poor flame rectification or contaminated	With fixed glass assembly in place, verify that flame is en-
flame rectification has
	flame sensing rod.	gulfing flame sensing rod on left side of pilot hood. Flame
not occurred.)
		sensing rod should glow shortly after ignition. Verify cor-
		rect pilot orifice is installed and gas inlet is set to pressure
		specifications.
	c. Module is not grounded.	Verify module is securely grounded to metal chassis of
		appliance. Verify that wire harness is firmly connected to
		the module.
	d. Damaged pilot assembly or contami-	Verify that ceramic insulator around the flame sensing
	nated flame sensing rod.	rod is not cracked, damaged, or loose. Verify connection
		from flame sensing rod to white sensor wire. Clean flame
		sensing rod with emery cloth to remove any contaminants
		that may have accumulated on flame sensing rod. Verify
		continuity with a multimeter with ohms set at lowest range.
		Replace pilot if any damage is detected.
	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. If there is no spark at
		“I” terminal module must be replaced. If there is a spark at
		“I” terminal, module is fine.

42 Heatilator • GBST4336I, GBFL4136I • 2135-900 Rev. D • 11/08