Chapter 14 Fault CodesMH300
ID No.
Display Fault Name Description
58
Modbus
transmission time-
out
(CE10)
Modbus transmission time-out occurs.
Action and Reset
Action condition
When the communication time exceeds the detection time for Pr.09-03
time-out.
Action time Pr.09-03
Fault treatment parameter
Pr.09-02
0: Warn and continue operation
1: Warn and ramp to stop
2: Warn and coast to stop
3: No warning and continue operation
Reset method Manual reset
Reset condition Immediately reset
Record Yes
Cause Corrective Actions
The upper unit does not
transmit the communication
command within Pr.09-03
setting time.
Check if the upper unit transmits the communication command within
the setting time for Pr.09-03.
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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