20
E004
Right ground detection
The sensing head was blocked or the cleaner was jammed on the step.
E005
Left collision
The left of front housing was jammed and cannot return.
E006
Right collision
The right of front housing was jammed and cannot return.
E007
Left wall detection
The cleaner was jammed near the obstacle.
E008
Left-middle
wall
detection
The cleaner was jammed near the obstacle.
E009
Middle wall detection
The cleaner was jammed near the obstacle.
E010
Top infrared receiving
It fails to receive due to the block of the obstacle or was damaged.
E011
Left infrared receiving
It fails to receive due to the block of the obstacle or was damaged.
E012
Middle infrared receiving It fails to receive due to the block of the obstacle or was damaged.
E013
Right infrared receiving
It fails to receive due to the block of the obstacle or was damaged.
E014
Right wall detection
The cleaner was jammed by the obstacle.
E015
Right-middle
wall
detection
The cleaner was jammed by the obstacle.
E016
Middle brush current
The cleaner was jammed by the obstacle.
E017
Dust blower current
Dust blower motor was jammed or damaged.
E018
Low battery
On charging
E019
No speed detection of the
left wheel
The left wheel and speed grating was damaged.
E020
No speed detection of the
right wheel
The right wheel and speed grating was damaged.
E021
No rotational speed of the
front wheel
The front wheel was jammed or speed grating was damaged.
E022
The left wheel is off the
ground
The left wheel is falling on the step or off the ground, the switch was damaged.
E023
The right wheel is off the
ground
The right wheel is falling on the step or off the ground, the switch was
damaged.
E024
Battery temperature
Too high, please turn off and wait for a while and then turn on.
E025
Battery NTC short circuit Battery temperature sensor was short circuit or damaged.
E026
Battery NTC open circuit Poor contact of battery temperature sensor was short circuit or damaged.
E031
Excessive current in right
wheel motor
The left wheel was jammed or motor was damaged.
E032
Excessive current in left
wheel motor
The right wheel was jammed or motor was damaged.
E033
No current in dust box
motor
No dustbin or poor contact of the line, the motor was damaged.
E034
Middle brush failure
Poor contact of middle brush, the motor was damaged.
Provided that the failure still exist after the above check, please contact the after-sale service maintenance, professional
maintenance staff or the technical center of the company, don’t disassemble and maintain it by yourself.
