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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 fire 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 fire 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 fire 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.
DISPLAY INDICATORS
Several situations or events are indicated in normal operation by blinking display indicators or segments in the display:
Flashing On Indicator - This means that the stove is in the “Start Up” state waiting for the ignition procedure to
complete.
Flashing O Indicator - This indicates that the stove is in the “Shut Down” state waiting for the o button, or for a 15
minute period after the stove was turned o, 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 flashing. For
ramping from heat range 1 to 5, the default time is 12 minutes (with a 90 second ramp time).
Flashing Automatic Mode Indicator - 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 configured.
Flashing Draft Fan Setting Indicator - 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 Indicator - This indicates that the ignitor is on during the lighting stage.
Quickly (changes twice per second) Flashing Heat Range Setting Indicator - 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 Indicator - 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.
TROUBLESHOOTING GUIDE
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