Chapter 14 Fault Codes and DescriptionsC2000 Plus
ID* Display on LCD Keypad Fault Name Fault Descriptions
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 Act immediately
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Reset immediately
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.09-02 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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