Midea MVC-RTB2-R, User Manual

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Troubleshooting for Sensors
Error
code
Cause Solution
E1xx
Left collision switch fault Check sensitivity of the front bumper
E2xx
Right collision switch fault Check sensitivity of the front bumper
E3xx
Left and right collision switch fault Check sensitivity of the front bumper
E4xx
Left wheel off the ground Place the cleaner on solid ground
E5xx
Left wheel off the ground, left collision switch fault
Place the cleaner on solid ground and
check sensitivity of the front bumper
E6xx
Left wheel off the ground, right collision switch fault
Place the cleaner on solid ground and
check sensitivity of the front bumper
E7xx
Left wheel off the ground, left and right collision switches fault
Place the cleaner on solid ground and
check sensitivity of the front bumper
E8xx
Right wheel off the ground Place the cleaner on solid ground
E9xx
Right wheel off the ground, left collision switch fault
Place the cleaner on solid ground and
check sensitivity of the front bumper
Eaxx
Right wheel off the ground, right collision switch fault
Place the cleaner on solid ground and
check sensitivity of the front bumper
Ebxx
Right wheel off the ground, left and right collision switches fault
Place the cleaner on solid ground and
check sensitivity of the front bumper
Ecxx
Left and right wheels off the ground Place the cleaner on solid ground
Edxx
Left and right wheels off the ground, left collision switch fault
Place the cleaner on solid ground and
check sensitivity of the front bumper
Eexx
Left and right wheels off the ground, right collision switch fault
Place the cleaner on solid ground and
check sensitivity of the front bumper
Efxx
Left and right wheels off the ground, left and right collision switches fault
Place the cleaner on solid ground and
check sensitivity of the front bumper
Exx1
Left anti-drop sensor detects cliff, front bumper right infrared sensors
detect obstacle Clean front sensor lens and bottom anti-
drop sensor lens
Exx2
Front anti-drop sensor detects cliff Clean bottom anti-drop sensor lens
Exx3
Left and front anti-drop sensors detect cliff, front bumper right infrared
sensors detect obstacle Clean front sensor lens and bottom anti-
drop sensor lens
Exx4
Right anti-drop sensor detects cliff Clean bottom anti-drop sensor lens
Exx5
Left and right anti-drop sensors detect cliff Clean bottom anti-drop sensor lens
Exx6
Front and right anti-drop sensors detect cliff Clean bottom anti-drop sensor lens
Exx7
Front, left and right anti-drop sensors detect cliff Clean bottom anti-drop sensor lens
Exx8
Front bumper right infrared sensors detect obstacle Clean bumper sensor lens
Exx9
Left anti-drop sensor detects cliff, front bumper right infrared sensors
detect obstacle Clean front sensor lens and bottom anti-
drop sensor lens
Exxa
Front anti-drop sensor detects cliff, front bumper right infrared sensors
detect obstacle Clean front sensor lens and bottom anti-
drop sensor lens
Exxb
Left and front anti-drop sensors detect cliff, front bumper right infrared
sensors detect obstacle Clean front sensor lens and bottom anti-
drop sensor lens
Exxc
Right anti-drop sensor detects cliff, front bumper right infrared sensors
detect obstacle
Clean front sensor lens and bottom anti-
drop sensor lens
Exxd
Left and right anti-drop sensors detect cliff, front bumper right infrared
sensors detect obstacle
Clean front sensor lens and bottom anti-
drop sensor lens
Exxe
Front and right anti-drop sensors detect cliff, front bumper right infrared
sensors detect obstacle
Clean front sensor lens and bottom anti-
drop sensor lens
Exxf
Left, right and front anti-drop sensors detect cliff, front bumper right
infrared sensors detect obstacle Clean front sensor lens and bottom anti-
drop sensor lens
Ex1x
Front bumper left infrared sensor detects obstacle Clean bumper sensor lens
Ex2x
Front bumper middle infrared sensor detects obstacle Clean bumper sensor lens
Ex3x
Front bumper left and middle infrared sensors detect obstacle Clean bumper sensor lens
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