7077-801F • 08/20
36
Symptom
Possible Cause
Corrective Action
Slow or smoky
start-up and/or lazy
flame
Dirty exhaust and/or venting system.
Not enough combustion air
Misaligned igniter
Wet fuel / poor quality fuel
Check for ash build up in unit, including behind
rear panels, firebox, exhaust blower and venting.
Adjust the trim
Center the igniter in the chamber
Replace fuel
Convection blower
fails to start.
Convection Blower
Jammed
Not plugged in
Exhaust probe
Not sensing correct temperature
Control box is defective.
Inspect, clean, and un-jam the blower.
Plug the blower in
Replace blower
Clean the exhaust outlet especially the right side.
Replace control box.
Exhaust blower fails
to start
Exhaust Blower
Jammed
Not plugged in
Control board is defective.
Inspect, clean, and un-jam the blower.
Plug the blower in
Replace blower
Replace control board.
Convection Blower
Does Not Turn Off
Convection blower short circuit. The fuse will
be blown and upon replacement of the fuse,
the blower will run continuously.
Inspect wires, blowers, and power cord to find
cause of short circuit. Replace board and failed
component.
Convection Blower
makes noise
Screws attaching convection blower to
appliance have become loose.
Convection blower is dirty
Tighten screws
Clean blower impellers
Exhaust Blower Does
Not Turn Off
Exhaust blower short circuit. The fuse will be
blown and upon replacement of the fuse, the
blower will run continuously.
Inspect wires, blowers, and power cord to find
cause of short circuit. Replace board and failed
component.
Igniter does not turn
off
Igniter short circuit. The fuse will be blown
and upon replacement of the fuse, the igniter
will remain on when unit has power.
Inspect wires, blowers, and power cord to find
cause of short circuit. Replace board and failed
component.
Feed motor does not
shut off
Feed motor short circuit. The fuse will be
blown and upon replacement of the fuse,
the feed motor will remain on when unit has
power.
Open hopper to stop the feed motor.
Inspect wires feed motor, control board, and
power cord to find source of short circuit. Replace
control board and failed component.
Unit fails to shut off.
Unit running in maximum or minimum
Turn dial control to Automatic or Off position. See
Also, “Feed Motor Does Not Shut Off”.
The unit should go into a shutdown.
Large, lazy flame,
orange color. Black
ash on glass.
Dirty appliance.
Poor fuel quality, high ash content.
Incorrect air-fuel adjustment
Excessive feeding/Feed Motor locked on
Clean unit, including firepot and venting system.
Clean exhaust path. Try a different brand of
pellets.
Turn fuel adjustment trim dial to LEFT to increase
combustion air speed.
Follow corrective action for feed motor does not
turn off symptom.
Excessive fuel spilling
over the firepot into
the ash wells and/or
excessive flame
Excessive feeding/Feed Motor locked on
Follow corrective action for feed motor does not
turn off.
Black soot on the side
of the house
Exhaust path is dirty.
Excessive feeding/Feed Motor locked on
Incorrect air-fuel ratio
Clean Exhaust path
Follow corrective action for feed motor does not
turn off symptom.
Turn fuel adjustment trim dial to the LEFT to
increase combustion air speed
See “Trim Adjustment” section on Page 9.
