20
TROUBLESHOOTING
If a fault occurs, the vacuum will display an error code on the LED display.
Error Code
Cause
Solution
AUBF
Suction passage blocked
Clean suction passage
AUBN
Dust bin missing or improperly
installed
Properly install the dust bin
E1XX
Left collision switch fault
Check the sensitivity of the front
bumper
E2XX
Right collision switch fault
E3XX
Left and right collision switch
faults
E4XX
Left wheel is off the ground
Put the vacuum on solid ground
E5XX
Left wheel is off the ground and
left collision switch fault
Put the vacuum on solid ground
and check the sensitivity of the
front bumper
E6XX
Left wheel is off the ground and
right collision switch fault
E7XX
Left wheel is off the ground and
left and right collision switch faults
E8XX
Right wheel is off the ground
Put the vacuum on solid ground
E9XX
Right wheel is off the ground and
left collision switch fault
Put the vacuum on solid ground
and check the sensitivity of the
front bumper
EAXX
Right wheel is off the ground and
right collision switch fault
EBXX
Right wheel is off the ground and
left and right collision switch faults
ECXX
Left and right wheels are off the
ground
Put the vacuum on solid ground
EDXX
Left and right wheels are off the
ground and left collision switch
fault
Put the vacuum on solid ground
and check the sensitivity of the
front bumper
