Delta VFD1A6ME21ANNAA User Manual

Chapter 13 Warning CodesME300
13-2
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.
ID No. Display on LCM Keypad Warning Name Description
4
Communication error 4
(CE4)
RS-485 Modbus data is written to read-only address.
Action and Reset
Action level When the data is written to read-only address.
Action time Immediately
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 correct written address of
communication data.
Reset condition Immediately reset
Record N/A
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.
ID No. Display on LCM 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 for Pr.09-33
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 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.09-02 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.
Does not set the communication
format when using KPC-CC01.
Set Pr.09-00=1, Pr.09-01=19.2, and Pr.09-04=13.

Delta VFD1A6ME21ANNAA Specifications

General

Brand	Delta
Model	VFD1A6ME21ANNAA
Category	DC Drives
Language	English