E03: Indicates that the lower control detection speed abnormal phenomenon
prompts.
E03
Solutions
to
Common
Problems
The photo sensor is not
properly assembled on the
motor (light sensor mode)
Reassemble
Defective photoelectric sensor
(photosensitive mode)
Replace photoelectric
sensor
The detection circuit of the
lower control board fails or
the motor is damaged
(non-inductive mode)
Replace lower control or
motor, pending maintenance
E04：Indicates the information prompt of the overvoltage protection of the
lower control motor.
E04
Solutions
to
Common
Problems
The load of the walking
machine exceeds the rated
working voltage of the motor
It is recommended to use
within the rated operating
voltage range of the motor
The motor of the walking
machine is abnormal/ the
speed is too fast due to the
failure of the light sensor
Replace the motor/replace
the photoelectric sensor
The over voltage detection
circuit of the lower control
board fails
Replace the lower control,
pending maintenance
08
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