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TROUBLESHOOTING (Qualified Technicians Only)
Unplug Appliance Before Performing Any Troubleshooting or Maintenance
Page 30
PROBLEM CAUSE(S) SOLUTIONS
4. Blowers will
not operate
when the start
switch is de-
pressed.
There is no power to the stove.
There is no power to the control
board.
Check that the stove is plugged in to the wall outlet.
Check to see if your circuit breaker has tripped.
Check the wire connections on the high limit disc and
Control board.
5. There is soot
or fly ash in the
house.
The window is being cleaned when
the stove is operating.
There is leakage at the joints be-
tween the exhaust blower, connec-
tion or exhaust pipe connections.
This will be evidenced by dust on
the impeller of the room air blower,
and in the heat exchanger area.
The vacuum cleaner is leaking.
Turn down the room air blower or turn off stove before
cleaning to prevent dispersion of ash and soot into the
room.
Seal up any leaks in the exhaust system with room tem-
perature vulcanizing silicone sealer (RTV).
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 approved ash vacuum ONLY.
6. Stove acts as if
a fire is present
when there is
not a fire in the
grate.
Excessive sun light may be shining
directly into firebox from window.
Block excessive sunlight. Call your authorized Lennox
Hearth Products dealer if problem persists.
7. Stove will not
light.
The igniter element may have
failed.
There are not enough pellets in the
UltraGrate.
Check igniter element fuse in rear stove compartment.
Call your authorized Lennox Hearth Products dealer. See
alternate manual lighting procedure
Prime the feed system (see page 18, Initial Start
Up/Empty Hopper or Feed Tube).
8. Fault Photoeye not detecting flame.
Stove has run out of fuel.
A disk has tripped / pressure
switch.
Clean photoeye lens (see Clean Photoeye Lens on page
23.)
Check connection at control board following yellow wires
to all connectors.
Refill hopper.
Blower intake, exhaust passages and / or venting system
needs cleaning (follow routine and annual maintenance
procedures).
If this does not correct the problem contact your local au-
thorized Lennox Hearth Products dealer.