Delta CFP2000 Series User Manual page 455

Chapter 13 Warning CodesCFP2000
ID No. Display on LCD Keypad
4
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
Display on LCD Keypad
Action level
Action time
Warning setting parameter
Reset method
Reset condition
Record
Cause
Incorrect communication
command from keypad
Malfunction caused by interference
Different communication setting
from keypad
Disconnection or bad connection
of the cable
Warning Name
Communication error 4
RS-485 Modbus data is written to read-only address
(CE4)
Action and Reset
When the data is written to read-only address
Immediately act
N/A
"Warning" occurs when Pr.09-02=0 and the motor drive keeps running. The drive
resets automatically when
communication data.
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 is necessary.
Warning Name
Communication slave Keypad communication data is written to read-only
error (CK4) address. (Keypad auto-detect this error and display it.)
Action and Reset
When the data is written to read-only address
Immediately act
N/A
Remove the keypad and then reconnect it to the motor drive.
Immediately reset
N/A
Keypad and the motor drive don't communicate properly. It is recommended to
remove the keypad and then reconnect it to the motor drive. If the problem
persists after reconnecting the keypad, pay attention to the motor drive status.
For example: Motor drive might reset to default setting during operation or while
enabling PLC function.
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 Baud rate = 19200 bps. Format = RTU8, N, 2.
Check the cable and replace it if is necessary.
13-4
Description
receiving the correct
Corrective Actions
Description
Corrective Actions
written address of