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Troubleshooting for Sensors
Error
code
Cause
Solution
Ex4x Front bumper right infrared sensor detects obstacle
Clean bumper sensor lens
Ex5x Front bumper left and right infrared sensors detect obstacle
Clean bumper sensor lens
Ex6x Front bumper middle and right infrared sensors detect
obstacle
Clean bumper sensor lens
Ex7x Front bumper left, middle and right infrared sensors detect
obstacle
Clean bumper sensor lens
Ex8x Front bumper wall detection infrared sensors detect obstacle Clean bumper sensor lens
Ex9x Front bumper wall detection and left infrared sensor detect
obstacle
Clean bumper sensor lens
Exax Front bumper wall detection and middle infrared sensor
detect obstacle
Clean bumper sensor lens
Exbx Front bumper wall detection, left and middle infrared sensors
detect obstacle
Clean bumper sensor lens
Excx Front bumper wall detection and right infrared sensor detect
obstacle
Clean bumper sensor lens
Exdx Front bumper wall detection, left and right infrared sensor
detect obstacle
Clean bumper sensor lens
Exex Front bumper wall detection, right and middle infrared
sensors detect obstacle
Clean bumper sensor lens
Exfx Front bumper wall detection, left, right and middle infrared
sensors detect obstacle
Clean bumper sensor lens
Au8f Suction inlet infrared sensor detects heavy dust
Clean suction inlet infrared
sensor
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