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189
Power device damage
Seek help from manufacturer
E-12
Input phase loss
Phase loss of power supply
Check power supply and wiring
E-13
Output phase loss or
current imbalance
Output phase failure among phase
U, V, W
Check the driver’s output wiring
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 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