Chapter 13 Warning Codes - Delta VFD300C43S-HS User Manual

ID No. Display on LCM Keypad
1
Action level
Action time
Warning setting parameter
Reset method
Reset condition
Record
Cause
Incorrect communication
command from upper unit
Malfunction caused by interference
Different communication setting
from the upper unit
Disconnection or bad connection
of the cable
ID No. Display on LCM Keypad
2
Action level
Action time
Warning setting parameter
Reset method
Reset condition
Record
Cause
Incorrect communication
command from upper unit
Malfunction caused by interference
Different communication setting
from the upper unit
Disconnection or bad connection
of the cable

Chapter 13 Warning Codes

Warning Name
Communication error 1
RS-485 Modbus illegal function code
(CE1)
Action and Reset
When the function code is not 03, 06, 10 and 63
Immediately act
N/A
"Warning" occurs when Pr. 09-02=0 and the motor drive keeps running. The
drive resets automatically when receiving the correct function code.
Immediately reset
N/A
Check if the communication command is correct.
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.
Check if the setting for Pr. 09-02 is the same as the setting for the upper unit.
Check the cable and replace it if necessary.
Warning Name
Communication error 2
RS-485 Modbus illegal data address
(CE2)
Action and Reset
When the input data address is incorrect
Immediately act
N/A
"Warning" occurs when Pr. 09-02=0 and the motor drive keeps running. The
drive resets automatically when receiving the correct data address.
Immediately reset
N/A
Check if the communication command is correct.
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.
Check if the setting for Pr. 09-02 is the same as the setting for the upper unit.
Check the cable and replace it if necessary.
13-1
Chapter 13 Warning CodesC2000-HS
Description
Corrective Actions
Description
Corrective Actions