162
Fault
code
Fault
descriptions
Possible reasons Actions
E-14
Short trouble of
output to ground
reserved reserved
E-15
E-16
Heatsink
overheat 1
Heatsink
overheat 2
Ambient over-temperature Lower the ambient temperature
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 lter
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 amplication
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
specication 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
6.1 Fault information and Troubleshooting