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20
© 2021 United States Stove Company
Error Code Error Description Possible Causes
Err1
The high limit temperature sensor
has tripped.
Inadequate ventilation.
Room fan failure.
Exhaust Blockage.
Electrical Open in wiring.
Err2
Stove ran out of fuel during normal
operation.
Hopper Empty.
Auger output failure or jam.
Flame of fuel quality caused re to burn too slowly
or go out.
Electrical Open in wiring.
The high limit thermosdisc has tripped and will
need to be manually reset.
Err3
The stove was unable to reach the
Room Fan On temperature within
the start-up time.
Flame or Fuel quality caused the re to burn too
slowly or go out.
Auger output failure or jam Hopper empty on start-
up.
Err4
The power failed while the stove was
hot, and when power was restored,
the re was out.
Electrical Open in wiring.
Power loss
Err5 The Auger output fuse has blown. Auger motor jammed or bad.
Err6 The Ignitor output fuse has blown. Ignitor shorted out or bad.
Err7
The Draft Fan (Exhaust Fan) output
fuse has blown.
Draft Fan motor jammed or bad.
Err8 The Room Fan output fuse has blown. Room fan motor jammed or bad.
TROUBLESHOOTING GUIDE
DISPLAY INDICATORS
Several situations or events are indicated in
normal operation by blinking display indicators or
segments in the display:
Flashing On - This means that the stove is in the
“Start Up” state waiting for the ignition procedure
to complete.
Flashing Off - This indicates that the stove is in the
“Shut Down” state waiting for the off button, or for
a 15 minute period after the stove was turned off,
or for the stove to cool down, or for the door to be
closed.
Flashing dash in Heat Range Display - This
indicates that the stove is in the normal run mode
and is ramping from the current heat range setting
to the target heat range setting. Once the ramp is
complete, the dash will stop ashing. For ramping
from heat range 1 to 5, the default time is 12 minutes
(with a 90 second ramp time).
Flashing Automatic Mode - This indicates that
the stove is in normal operation and is running in
the automatic mode. However, either the draft fan
or room fan setting is manually congured.
Flashing Draft Fan Setting - This indicates that the
stove is in normal operation and that the vacuum
sensor detects a loss of pressure either because the
door is open or because there is a negative pressure
in the room with respect to the exhaust.
Flashing Aux - This indicates that the ignitor is on
during the lighting stage.
Quickly (changes twice per second) Flashing
Heat Range Setting - This indicates that the stove
is in normal operation and that an over-temperature
condition exists causing the fuel to stop.
Slowly (changes once per second) Flashing
Heat Range Setting - This indicates that the stove
is in a cut back condition in an attempt to prevent
an over-temperature shut down.
FACTORY DEFAULTS
To return the control to its original factory default
settings, press and hold the AUX UP and AUX
DOWN buttons together for three seconds.
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