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© 2021 United States Stove Company
TROUBLE SHOOTING GUIDE
High Limit Switch Keeps Tripping
Possible Causes Possible Remedies: (Unplug stove rst when possible)
The convection blower is
overheating and tripping the
internal temperature shutoff.
Clean any dust off of the windings and fan blades. If oiling the blower does not help,
the blower may be bad.
The stove is being left on the
highest setting for extended
periods of time.
If operating the heater on the highest heat setting, the room temperature could
increase enough and lead to potential overheating situations. If this happens, try
operating at a lower heat setting.
Fuel other than wood pellets is
being burned in the stove.
This pellet stove is designed and tested to use wood pellets. Check for signs of fuel
other than wood pellets. No other types of fuel have been approved for this pellet
stove. If there are signs of other types of fuel being used, stop using them immediately.
Power surge or brown out
situation.
A power surge, spike, or voltage drop could cause the high limit switch to trip. Use a
surge protector.
High limit switch is
malfunctioning.
If the other items check out OK, replace the high limit switch.
• Glass “Soot’s” Up At A Very Fast Rate
• Flame Is Lazy, Dark, And Has Black Tips
• After Stove Has Been On For A While, The Burnpot Overlls
Possible Causes Possible Remedies: (Unplug stove rst when possible)
Stove or vent pipe is dirty, which
restricts airow 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 left
(closed) for a higher setting.
Pull the damper knob to the right and try 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.
Combustion blower is not
spinning fast enough.
Test the RPM on the blower after the blades have been cleaned. The RPM should be
approximately 3000 RPM.
Bad Pellets (Applies to GLASS
“SOOT’S” 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.
Convection Blower Shuts Off And Comes Back On
Possible Causes Possible Remedies: (Unplug stove rst when possible)
The convection blower is
overheating and tripping the
internal temperature shutoff.
Clean any dust off of the windings and fan blades. If cleaning the blower does not
help, the blower may be bad.
Circuit board malfunction.
Test the current going to the convection blower. If there is power being sent to the
blower when it is shut off, then the control board is ne. If there is NOT power being
sent to the blower when it shuts off during operation, then you have a bad control
board.
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