Chapter 13 Warning Codes
ME300
No. Display on LCD Keypad Warning Name Description
5
Communication error 10
(CE10)
RS-485 Modbus transmission time-out
Action and Reset
Action level
When the communication time exceeds the detection time of Pr.09-
communication time-out
Action time Pr.09-03
Warning setting 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 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 setting
from the upper unit
Check if the setting for Pr.09-01 and Pr.09-04 are
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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