Delta AH500 - Page 618

Chapter 12 Troubleshooting
12-69
Error
code
Description
CPU
Status
LED indicator status
ERROR
BUS
FAULT
16#6305
The node used in the communication command is
different from the local node.
Continue Blinking Keep
16#6309
The remote device in the Ether Link does not respond
after the timeout period.
Continue Keep Keep
16#630A
The module ID or the setting of the module is different
from the setting in the Ether Link.
Continue Blinking Keep
16#630B
The setting of the netmask address for the CPU or the
module is different from the setting in the Ether Link.
Continue Blinking Keep
16#6400
The number of TCP connections reaches the upper
limit, or the flag which is related to the sending of the
data is not set to ON.
Continue Keep Keep
16#6401
The remote device aborts the connection.
Continue
Keep
Keep
16#6402
There is no response from the remote device after the
timeout period.
Continue Keep Keep
16#6403
The remote IP address used in the applied instruction
is illegal.
Continue Keep Keep
16#6404
The MODBUS function code not supported is received.
Continue
Keep
Keep
16#6405
The number of data which will be received is not
consistent with the actual length of the data.
Continue Keep Keep
16#6500
An error occurs when a data exchange function is
initialized. (SM699)
Continue Blinking OFF
16#6501
A remote device does not respond after a timeout.
(SM828-SM955)
Continue OFF OFF
16#6502
The packet with which a remote device replies is
incorrect. (SM828-SM955)
Continue OFF OFF
16#6700
An error occurs when a Modbus TCP data exchange is
initialized.
Continue Keep Keep
16#6701
Modbus TCP data exchange timeout
Continue
Keep
Keep
16#6702
The data received by means of a Modbus TCP data
exchange is incorrect.
Continue Keep Keep
16#7002
The CPU module does not support the function.
Continue
Keep
Keep
16#7203
Invalid access code
Continue
Keep
Keep
16#7401
Function code error
Continue
Keep
Keep
16#7402
The size of a packet exceeds the maximum data
length.
Continue Keep Keep
16#7404
Packet format error
Continue
Keep
Keep
16#7405
The number of bytes is incorrect.
Continue
Keep
Keep
16#7406
Checksum error
Continue
Keep
Keep
16#7407
There are non-ASCII characters in a command.
Continue
Keep
Keep
16#7408
The PLC is running.
Continue
Keep
Keep
16#740A
Data is being written to the memory in the PLC or data
fails to be written to the memory in the PLC.
Continue Keep Keep
16#740B
The CPU module is being reset, or the values in the
laching devices are being cleared.
Continue Keep Keep
16#740C
The backplane number in a communication command
is incorrect.
Continue Keep Keep
16#740D
The slot number in a communication command is
incorrect.
Continue Keep Keep
16#740E
An error occurs when the the data in the memory in the
PLC is cleared.
Continue Keep Keep
16#740F
Communication timeout
Continue
Keep
Keep
16#7410
The function code in a reply command is incorrect.
Continue
Keep
Keep