Chapter 13 Warning Codes|MH300
ID No.
Display Warning Name Description
5
10 (CE10)
RS-485 Modbus transmission time-out
Action and Reset
Action condition
When the communication time exceeds the detection time for Pr.09-
communication time-out.
Action time Settings for Pr.09-03
Warning treatment parameter N/A
Reset method
“Warning” occurs when Pr.09-02=0 and the motor drive keeps running.
The drive resets
automatically when receiving the next communication
packet.
Reset condition Immediately reset
Record N/A
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
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 setting
from the upper unit
Check if the setting for Pr.09-04 is the same as the setting for
unit.
Disconnection or bad
connection of the cable
Check the cable and replace it if necessary.
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