Chapter 8 Troubleshooting｜VP3000
401
Incorrect communication
command from keypad
Keypad and the motor drive do not communicate properly. It is recommended to
remove the keypad and then reconnect it to the motor drive.
Malfunction caused by
interference
Verify the wiring and grounding of the communication circuit. It is recommended
to separate the communication circuit from the main circuit, or wire in 90 degrees
for effective anti-interference performance.
Different communication setting
from keypad
Check if the Baud rate = 115200 bps. Format = RTU8, N, 2.
Disconnection or bad connection
of the cable
Check the cable and replace it if necessary.
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