Delta MH300 Series User Manual

Chapter 14 Fault CodesMH300
14-58
ID No. Display Fault Name Description
54
Illegal command
(CE1)
Communication command is illegal
Action and Reset
Action condition When the function code is not 03, 06, 10, or 63.
Action time Immediately act
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record No
Cause Corrective Actions
Incorrect communication
command from the 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.

Delta MH300 Series Specifications

General

Brand	Delta
Model	MH300 Series
Category	DC Drives
Language	English