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Do Not Burn Wet Coal!
Super-Magnum Coal Stoker Stove
3-90-02702R4_08/12
Symptom Possible Cause Corrective Action
9
Troubleshooting
With Proper installation, operation, and maintenance, your appliance will provide
years of trouble-free service. If you do experience a problem, this troubleshooting
guide will assist a qualied person in the diagnosis of a problem and the corrective
action to be taken. This troubleshooting guide is intended for use by qualied
service technicians only.
Plug in appliance - No
response.
No current to outlet.
Defective power cord / connection.
Defective fuse on circuit board.
Circuit board defective.
Check circuit breaker at service panel.
Re-connect or replace power cord.
Replace 6 amp fuse on board.
Replace circuit board.
Fire out, no fuel on grates. Out of fuel.
Wet coal bridged in hopper.
Foreign object obstruction - Hopper.
Foreign object obstruction - Feeder.
Feed system malfunction.
Check hopper. Fill with fuel.
Do not load wet coal in hopper.
Empty the hopper, searching for object.
With hopper empty examine feed throat.
Verify operation of motor, pusher arm,
and pusher block.
Fire out, grates full of fuel. Combustion blower restrictor closed.
Combustion blower positioning.
Ash build-up under grates.
Failed starting process.
ESP failure - temp on DDM reads
abnormally high when stove is cold.
Re-set restrictor using draft meter.
Be sure that the blower is in its mount.
Remove grates and clean air chamber.
Follow start up procedure.
Replace ESP.
Unburned or partially
burned coal in ash pan.
Black rocks in coal.
Feed rate too high.
Try different coal.
Set feed adjuster to lower setting.
Coal pushing out the sides
of the grate frame.
Clinkers in ashes restricting ow of
fuel over the burn grates.
Re-set restrictor using draft meter. Too
much air ow will cause the ashes to
fuse together.
Wet coal will not ow properly.
Excessive nes in nes
tray.
Dirty coal supply.
Feed restriction causing grinding.
Fines scraper adjustment.
Try different coal.
Remove coal from hopper and check for
a foreign object or large piece of coal.
Re-adjust scraper (See Page 29).
Turned to "OFF" won't shut
down.
Not enough time allowed.
Dirty or failed ESP.
Mode selector not truly in the "OFF"
position.
Shut-down sequence: Minimum feed un-
til ESP cools. Combustion blower should
be off unless re is at maximum temp.
Remove and clean probe.
Attach DDM to monitor temperature and
shut-down parameters.
The status light will turn off when the
knob is in the "OFF" position. (unless
there is a 3 blink error code.)
Distribution Blower not
operating.
Room Temperature demand met.
Insuccessful ignition.
Upon meeting the room temperature
setpoint, the blower will stop.
Also, the distribution blower will not run
until the ESP senses a high enough tem-
perature to ensure that the discharged
air is warm.