Heat & Glo LifeStyle 550TRSI-AUF owner manual Troubleshooting continued, Symptom, Possible Cause

Troubleshooting (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.		flame sense or igniter wires are not grounding out to metal
(If the pilot continues		chassis, pilot burner, pilot enclosure or screen if present, or
to spark after the		any other 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. With a multi-
		meter, verify that current in series between module and
		sense lead is at least 0.14 microamps. Verify correct pilot
		orifice is installed and gas inlet is set to pressure specifi-
		cations. Polish flame sensing rod with fine steel wool to
		remove any contaminants that may have accumulated on
		flame sensing rod.
	C. Module is not grounded.	Verify module is securely grounded to metal chassis of ap-
		pliance. Verify that wire harness is firmly connected to the
		module.
	D. Damaged pilot assembly or contami-	Verify that ceramic insulator around the flame sensing rod
	nated flame sensing rod.	is not cracked, damaged, or loose. Verify connection from
		flame sensing rod to white sensor wire. Polish flame sens-
		ing rod with fine steel wool to remove any contaminants
		that may have accumulated on flame sensing rod. Verify
		continuity with a multi-meter with ohms set at lowest range.
		Replace pilot if any damage is detected.
5. Carbon Deposition	A. Log Placement	Verify placement and assure flame is not excessively
		impinging on log.
	B. Shutter Setting	Check to assure correct shutter setting for your model and
		gas type.
	C. Gas Type	Assure correct fuel matches unit gas model and components.

Heat & Glo • 550TRSI-AUF, 550TRSILP-AUF • 2079-980 Rev. N • 5/12 69