US Stove Company 5660 Installation And Operating Manual page 23

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4. The hopper is out of Pellets.
5. The hopper safety switch has failed or hopper is open.
6. The auger shaft is jammed.
7. The auger motor has failed.
Display is Flashing "E5"
Possible Causes
1. The stove automatically flashes "E5" when turned on
Stove Feeds Pellets, But Will Not Ignite
Possible Causes
1.
Air damper open too far for ignition.
2.
Blockage in igniter tube or inlet for igniter tube.
3.
The burnpot is not pushed completely to the rear of
the firebox.
4.
Bad igniter element.
5.
The control board is not sending power to the igniter.
Trouble Shooting Guide
Refill the hopper.
When operating the unit, be sure the hopper lid is closed
so that the hopper safety switch will activate. Check the
wires leading from the hopper safety switch to the control
panel and auger motor for secure connections. Use a
continuity tester to test the hopper safety switch; replace
if necessary.
Start by emptying the hopper. Then remove the auger
motor by removing the auger pin. Remove the auger
shaft inspection plate in the hopper so that you can see
the auger shaft. Gently lift the auger shaft straight up
so that the end of the auger shaft comes up out of the
bottom auger bushing. Next, remove the two nuts that
hold the top auger biscuit in. Then rotate the bottom end
of the auger shaft up towards you until you can lift the
shaft out of the stove. After you have removed the shaft,
inspect it for bent flights, burrs, or broken welds. Remove
any foreign material that might have caused the jam.
Also, check the auger tube for signs of damage such
as burrs, rough spots, or grooves cut into the metal that
could have caused a jam.
Remove the auger motor from the auger shaft and try
to run the unit. If the motor will turn the shaft is jammed
on something. If the motor will not turn, the motor is bad.
Possible Remedies: (Unplug stove first when possible)
The T-stat sensor has come unplugged form the control
board. Check to see if the sensor is unplugged. If the sensor
is not unplugged then the sensor is damaged or has a
short. If the sensor is damaged or has a short it will need to
be replaced.
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.
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