12
TROUBLESHOOTING
12.3 Error Code List
12.3.4 Error code list (2000 to 2999)
12 - 129
9
EMC AND LOW
VOLTAGE
DIRECTIVES
10
LOADING AND
INSTALLATION
11
MAINTENANCE AND
INSPECTION
12
TROUBLESHOOTING APPENDICES INDEX
2700
The count of remote password
mismatches reached the upper limit.
Check for illegal accesses. If any illegal
access is identified, take actions such
as disabling communication of the
connection.
If no illegal access is identified, clear
the error and perform the following.
(Clearing the error also clears the count
of remote password mismatches.)
• Check if the remote password sent is
correct.
• Check if the remote password has
been locked.
• Check if concurrent access was
made from multiple devices to one
connection by UDP.
• Check if the upper limit of the remote
password mismatch count is too low.
QnU
*8
2710
Time setting failed when the
programmable controller was powered
ON or reset.
• Check if the time setting function is
set up correctly.
• Check if the specified SNTP server is
operating normally, or if any failure
has occurred on the network
connected to the specified SNTP
server computer.
QnU
*8
Error
Code
(SD0)
Error Contents and Cause Corrective Action
Corresponding
CPU
*3 The function version is B or later.
*4 The function version is A.
*5 The module whose first 5 digits of serial No. is 04101 or later.
*6 The module whose first 5 digits of serial No. is 09012 or later.
*7 The Universal model QCPU except the Q02UCPU.
*8 This applies to the QnUDE(H)CPU.
*9 The module whose first 5 digits of serial No. is 10042 or later.
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