Delta MS300 Series User Manual page 484

ID No. Display on LCD Keypad
3
Action Condition
Action Time
Warning Setting Parameter
Reset Method
Reset Condition
Record
Cause
Incorrect communication
command from upper unit
Malfunction caused by
interference
Different communication setting
from the upper unit
Disconnection or bad connection
of the cable
Warning Name
Communication error 3
(CE3)
Action and Reset
When the length of communication data is too long
Immediately act
N/A
"Warning" occurs when Pr.09-02 = 0 and the motor drive keeps running. The
drive resets automatically when receiving the correct communication data
value.
Immediately reset
N/A
Check if the communication command is correct.
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.
Check if the setting for Pr.09-04 is the same as the setting for the upper unit.
Check the cable and replace it if necessary.
475
Chapter 13 Warning CodesMS300
Description
RS-485 Modbus illegal data value
Corrective Actions