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© 2021 United States Stove Company
GLASS “SOOTS” UP AT A VERY FAST RATE
FLAME IS LAZY, DARK AND HAS BLACK TIPS
AFTER STOVE HAS BEEN ON FOR A WHILE, THE BURNPOT OVERFILLS
Possible Cause:
Possible Remedies:
Stove or vent pipe is dirty, which restricts
airflow through the burnpot.
Follow all cleaning procedure in the maintenance section of the owner’s
manual.
Vent pipe installed improperly.
Check to make sure the vent pipe has been installed according to the
criteria in the owner’s manual.
Air damper is set too far in (closed) for a
higher setting.
Put the damper knob farther out away from the side of the stove and try
not to burn the unit again.
Burnpot holes are blocked.
Remove the burnpot and thoroughly clean it.
Air damper is broken.
Visually inspect the damper assembly. Make sure the damper plate is
attached to the damper rod. When the damper rod is moved, the plate
should move with it.
Blockage in air intake pipe.
Visually inspect the air intake pipe that leads into the burnpot for foreign
material.
Circuit board malfunction.
Time the fuel feed light at each setting (after the stove has completed
the startup cycle). Make sure the times match the auger timing chart. If
the auger motor runs constantly, the board is bad.
Combustion blower is not spinning fast
enough.
Test the RPM on the blower after the blades have been cleaned. The
RPM should be approximately 3000RPM.
Bad Pellets (Applies to “GLASS ‘SOOTS’
UP AT A VERY FAST RATE” only.
The brand of pellets or the batch of pellets that are being used may be of
poor quality. If possible, try a different brand of pellets. You might also
want to try a brand that is made from a different type of wood (softwood
vs. hardwood). Different woods have different characteristics when
being burned.
The trim setting on the low feed rate is too
low. (Applies to “GLASS ‘SOOTS’ UP AT A
VERY FAST RATE” only.
Use the “Reset Trim” button to increase the low feed rate setting. If the
“1” & “3” lights are on, the stove is currently on the lowest setting. If only
the “1” light is on, the stove is in the default (medium) setting. If the “1” &
“4” lights are on, the stove is in the high trim setting for the low feed rate.
If the stove is being burned on one of the two lower settings, advance to
the next trim setting and try burning the stove.
TROUBLESHOOTING GUIDE