Chapter 13 Warning CodesMS300
473
Digital Keypad KPMS-LE01
Communication error 1
(CE1)
RS-485 Modbus illegal function code
When the function code is not 03, 06, 10 and 63
Warning Setting Parameter
“Warning” occurs when Pr.09-02 = 0 and the motor drive keeps running. The
drive resets automatically when receiving the correct function code.
Incorrect communication
command from upper unit
Check if the communication command is correct.
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 degree
for effective anti-interference performance.
Different communication setting
from the upper unit
Check if the setting for Pr.09-04 is the same as the setting for the upper unit.
Disconnection or bad connection
of the cable
Check the cable and replace it if necessary.
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