Mitsubishi Melsec-Q Series User Manual page 389

Error
Code Error Contents and Cause
(SD0)
[REMOTE PASS.FAIL]
The count of remote password mismatches
reached the upper limit.
■Collateral information
2700
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• Always
[SNTP OPE.ERROR]
Time setting failed when the programmable control-
ler was powered ON or reset.
■Collateral information
2710
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• When time setting function is executed
*8 This applies to the Built-in Ethernet port QCPU.
Corrective Action
Check for illegal accesses. If any illegal access is
identified, take actions such as disabling communi-
cation 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 multi-
ple devices to one connection by UDP.
• Check if the upper limit of the remote password
mismatch count is too low.
• Check if the time setting function is set up cor-
rectly.
• 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.
CHAPTER12 TROUBLESHOOTING
LED Status Corresponding
CPU Status CPU
RUN:
ON
ERR.:
ON
CPU Status:
Continue
*8
QnU
RUN:
Off/ON
ERR.:
Flicker/ON
CPU Status:
Stop/Continue
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