253
E-16
Heatsink overheat 2
Fan damage
Replace the fan
Obstruction of ventilation channel
Clear the ventilation channel
E-17
RS485 communication
failure
Mismatching with baud rate of
host PC
Adjust the baud rate
RS485 channel interference
Check whether the communication wiring is
shield, whether the wiring is correct;
consider connecting filter capacitor if
necessary.
Communication timeout
retry
E-18
Keypad
communication fault
Connecting line between keypad
and control board is damaged.
Replace the connecting line.
E-19
External device fault
Input terminal of external device
fault is closed
Disconnect the terminal and clear the faults
(check the fault cause)
E-20
Current detection
fault
Hall device or amplification circuit
fault
Seek help from manufacturer
Auxiliary power supply is
damaged
Hall or power board wiring is bad
contact
E-21
Motor tuning fault
Wrong setting of motor
parameters
Reset the motor parameter
Mismatching of power
specification between driver and
motor
Seek help from manufacturer
Tuning timeout
Check motor wiring
E-22
EEPROM R/W fault
EEPROM fault
Seek help from manufacturer
E-23
Parameter copy fault
Upload fault of the driver
Check wiring of operation panel