Chapter 14 Fault CodesMH300
ID No.
Display Fault Name Description
57
Data is written to
read-only address
(CE4)
Data is written to read-only address.
Action and Reset
Action condition When the data is written to read-only address.
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
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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