Lennox Hearth II-T C FS, II-T C INS operation manual Troubleshooting Qualified Technicians Only

TROUBLESHOOTING Qualified Technicians Only

Unplug Appliance Before Performing Any Troubleshooting or Maintenance

PROBLEM	CAUSE(S)	SOLUTIONS
9. There is soot or fly	The window is being cleaned or ash	Turn down the Room Air Blower or turn off stove before cleaning to
ash in the house.	pan removed when the stove is operat-	prevent dispersion of ash and soot into the room.
	ing.
	There is leakage at the joints between	Seal leaks in the exhaust system using high temperature RTV Sili-
	the Exhaust Blower connection or ex-	cone sealer (silicone should be at room temperature).
	haust pipe connections. This will be
	evidenced by dust on the impeller of
	the Room Air Blower, and in the heat
	exchanger area.
	For a fireplace insert installation: if the	Pull insert away from fireplace opening. Thoroughly clean the fire-
	existing fireplace opening was not	place firebox (recommend painting with latex or spray paint to hold
	thoroughly cleaned and painted before	down the finer particles. Wear a protective mask when painting in
	the insert was installed, then the Room	enclosed spaces).
	Air Blower may be picking up the fire-
	place dust, soot or ash and blowing it
	into the house.
	The vacuum cleaner is leaking.	DO NOT use a standard household vacuum or “shop vac” as the
		filters will leak the fine particles of ash. Clean the stove with an ap-
		proved ash vacuum ONLY.
10. Blinking red	Thermostat circuit in not closed.	If a wall thermostat is not installed, a jumper is required between the
lights on control		2 thermostat terminals (see page 12). If the jumper is missing con-
board LED's.		tact your authorized Lennox Hearth Products dealer.
		The wall thermostat (if used) is defective or there is a break in the
		connections or thermostat wire.

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