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© 2021 United States Stove Company
19
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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