Obstruction of ventilation channel
Clear the ventilation channel
RS485 communication
failure
Mismatching with baud rate of
host PC
RS485 channel interference
Check whether the communication wiring is
shield, whether the wiring is correct;
consider connecting filter capacitor if
necessary.
Keypad
communication fault
Connecting line between keypad
and control board is damaged.
Replace the connecting line.
Input terminal of external device
fault is closed
Disconnect the terminal and clear the faults
(check the fault cause)
Hall device or amplification circuit
fault
Seek help from manufacturer
Auxiliary power supply is
damaged
Hall or power board wiring is bad
contact
Wrong setting of motor
parameters
Reset the motor parameter
Mismatching of power
specification between driver and
motor
Seek help from manufacturer
Seek help from manufacturer
Upload fault of the driver
Check wiring of operation panel