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United States Stove Company 5770E Mode D'emploi page 119

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TROUBLE SHOOTING GUIDE
CONVECTION BLOWER SHUTS OFF AND COMES BACK ON
Possible Causes
The convection blower is overheating and
tripping the internal temperature shutoff.
Circuit board malfunction.
STOVE FEEDS PELLETS, BUT WILL NOT IGNITE
Possible Causes
Air damper open too far for ignition.
Blockage in igniter tube or inlet for igniter
tube.
The burnpot is not pushed completely to the
rear of the firebox.
Bad igniter element.
The control board is not sending power to the
igniter.
SMOKE SMELL COMING BACK INTO THE HOME
Possible Causes
There is a leak in the vent pipe system.
The gasket on the combustion blower has
gone bad.
Because it is a wood-burning device, your pellet heater may emit a faint wood-burning odor. If this increases beyond
normal, or if you notice an unusual soot build-up on walls or furniture, check your exhaust system carefully for leaks.
All joints should be properly sealed. Also clean your stove, following instructions in "MAINTENANCE". If problem
persists, contact your dealer.
Possible Remedies: (Unplug stove first when possible)
Clean any dust off of the windings and fan blades. If cleaning the
blower does not help, the blower may be bad.
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
fine. If there is NOT power being sent to the blower when it shuts off
during operation, then you have a bad control board.
Possible Remedies: (Unplug stove first when possible)
Push the air damper in closer to the side of the stove for startup. In
some situations it may be necessary to have the damper completely
closed for ignition to take place. After there is a flame, the damper
can then be adjusted for the desired feed setting.
Find the igniter housing on the backside of the firewall. The air intake
hole is a small hole located on bottom side of the housing. Make sure
it is clear. Also, look from the front of the stove to make sure there
is not any debris around the igniter element inside of the igniter
housing.
Make sure that the air intake collar on the burnpot is touching the
rear wall of the firebox.
Put power directly to the igniter element. Watch the tip of the igniter
from the front of the stove. After about 2 minutes the tip should
glow. If it does not, the element is bad.
Check the voltage going to the igniter during startup. It should be a
full current. If the voltage is lower than full current, check the wiring.
If the wiring checks out good, the board is bad.
Possible Remedies: (Unplug stove first when possible)
Inspect all vent pipe connections. Make sure they are sealed with
RTV silicone that has a temperature rating on 500 degree F or higher.
Also, seal joints with UL-181-AP foil tape. Also, make sure the square
to round adapter piece on the combustion blower has been properly
sealed with the same RTV.
Inspect both gaskets on the combustion blower to make sure they
are in good shape.
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