Lenoxx Electronics Optima 3 FS TROUBLESHOOTING Qualified Technicians Only, Problem, Causes

TROUBLESHOOTING Qualified Technicians Only

Unplug Appliance Before Performing Any Troubleshooting or Maintenance

PROBLEM						CAUSE(S)	SOLUTIONS
1.	Fire		burns	with	a	There is insufficient combustion air.	Lack of maintenance (clean Ultragrate, clean-out ports, exhaust
lazy		orange		flame.			flow passages, venting system, exhaust blower intake, etc.
Pellets			build	up	in		Remove any clinkers or ash from the bottom of the Ultragrate
the grate and				there
							that might be obstructing the primary air holes.
is	excessive			glass
							Check that the heat exchange tubes are not coated with ash.
soot that is difficult to
remove			(Ash	and			Clean internal exhaust ducts.
soot are a product of
							Check gasket seal around the door. Use a thin strip of paper, 1
combustion with any
wood		products,			so		in. wide. Open the door and close it on the paper strip. A slight
some build-up on the							friction should be felt when the paper strip is pulled. Repeat this
glass is normal).							process at various locations around the door gasket. Replace
							the door gasket if necessary.
							Check gasket around ashpan.
							Check for blockage in the air inlet tube or exhaust pipe. Clean
							as Necessary.
							Inspect glass seal to ensure that it is in good condition and is
							properly seated to the door.
							Fuel trim may need to be adjusted down for faster feeding fuels.
							Change to a better grade of fuel if necessary.
							Check that the damper has been opened enough for the amount of
							fuel fed.
							Have Your Authorized Lennox Hearth Products dealer check your
							exhaust blower for proper operation.
							The venting system design is too restrictive (call your authorized
							Lennox Hearth Products Technician to evaluate how the installation
							can be corrected to satisfy the exhaust flow requirements of the
							appliance).
2. Fire goes out or						Stove has run out of fuel.	Refill hopper.
stove shuts down						Pellets are not feeding.	See (Pellets will not feed) this page.
automatically
						The high limit disc (thermal switch) has	Allow stove to cool for 1 hour and re-light. If the stove has been
						tripped.	operating at a medium to high burn rate and the room air blower has
							been turned down low then the fan should be turned up higher. If
							this problem persists (particularly at lower burn rates) then the high
							limit disc should be replaced by your authorized dealer.
						There is too much combustion air for	Adjust the damper to reduce combustion air flow.
						the amount of fuel.
3. Pellets will not						The hopper is empty.	Refill hopper.
feed.						The auger motor or control board may	Check to be sure that there is no blockage in the pressure tap or
						be defective. The pressure switch tap	hose. Have your authorized Lennox Hearth Products dealer diag-
						or hose may be blocked.	nose the problem and clean or replace any necessary parts.
						Back pressure in venting tripping pres-	If new installation check for excessive 90˚ bends, long horizontal
						sure switch.	runs or excessive vertical run of 3” pipe. Possibly change to 4” pipe.
							If older installation check for excessive ash accumulation in pipe or
							other obstructions. Clean out pipe.
						Thermostat is in stand-by mode.	Check to see if thermostat is set to low or if sun is shining directly
							on thermostat.
						Thermostat wires disconnect.	Re-install wires.
						High limit disc (thermal switch) may	Allow stove to cool. Increase room air blower setting.
						have been tripped.
						Self-aligning bearings in auger motor	Gently tap the auger motor.
						may be mis-aligned.

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