Heatiator IDV4833IT owner manual Intellifire Ignition System - continued, Symptom, Possible Cause

Intellifire Ignition System - (continued)

Symptom	Possible Cause	Corrective Action
4. Pilot lights but continues	A. A shorted or loose connection	Verify all connections to wiring diagram in manual. Verify connec-
to spark, and main burner	in flame sensing rod.	tions underneath pilot assembly are tight. Verify connections are
will not ignite. (If the pilot		not grounding out to metal chassis, pilot burner, pilot enclosure or
continues to spark after		screen if present, or any other metal object.
the pilot flame has been lit,
flame rectification has not
	B. Poor flame rectification or con-	With fixed glass assembly in place, verify that flame is engulfing
occurred.)	taminated flame sensing rod.	flame sensing rod on left side of pilot hood. Flame sensing rod
		should glow shortly after ignition. Verify correct 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	Verify that ceramic insulator around the flame sensing rod is not
	contaminated flame sensing	cracked, damaged, or loose. Verify connection from flame sensing
	rod.	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. Module.	Turn ON/OFF rocker switch or wall switch to OFF position. Re-
		move 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.

Heatilator • ICON DV-IDV Series • 4042-575 • Rev. S • 5/11 53