Delta MS300 Series User Manual page 599

Chapter 14 Fault CodesMS300
ID Display on LCD Keypad
54
Action Condition
Action Time
Fault Treatment Parameter
Reset Method
Reset Condition
Record
Cause
Incorrect communication
command from the upper unit
Malfunction caused by
interference
Different communication setting
from the upper unit
Disconnection or bad connection
of the cable
Fault Name
Illegal command
(CE1)
Action and Reset
When the function code is not 03, 06, 10, or 63.
Immediately act
N/A
Manual reset
Immediately reset
No
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.
590
Fault Descriptions
Communication command is illegal
Corrective Actions