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MELSEC-Q
8 TROUBLESHOOTING
Error
code
(SD0)
Error contents and cause Corrective action
LED status,
Remote I/O
operation status
3301
[SP. PARA. ERROR]
The intelligent function module's refresh parameter
setting is outside the available range.
Collateral information
• Common Information (SD5 to SD15): File name
• Individual Information (SD16 to SD26): Parameter
number
Diagnostic Timing
• At power-on/At reset
*2
Check the parameter setting.
REM: Off
ERR: On
Remote I/O status:
Stop
3400
[REMOTE PASS. ERR.]
The start I/O number of the remote password target
module is set to other than 0
H
to 0FF0
H
.
Collateral information
• Common Information (SD5 to SD15): -
• Individual Information (SD16 to SD26): -
Diagnostic Timing
• At power-on/At reset
*2
Change the start I/O number of the target
module to be within the 0
H
to 0FF0
H
range.
REM: Off
ERR: On
Remote I/O status:
Stop
3401
[REMOTE PASS. ERR.]
Any of the following modules is not mounted on the
slot specified by the start I/O number of the remote
password target module.
• Serial communication module whose function version
B or later
• Ethernet module whose function version B or later
• Modem interface module whose function version B or
later
Collateral information
• Common Information (SD5 to SD15): -
• Individual Information (SD16 to SD26): -
Diagnostic Timing
• At power-on/At reset
*2
Mount a serial communication module,
modem interface module, or Ethernet module
whose function version B or later in the
specified slot.
REM: Off
ERR: On
Remote I/O status:
Stop
*1: The operation status of the remote I/O station at error occurrence can be set in a parameter.
*2: The remote I/O station can be reset by the following operation.
• Reset the MELSECNET/H remote I/O module.
• Power on the MELSECNET/H remote I/O module.
• Reset, switch from STOP to RUN, or power on the CPU module in the remote master station if the
parameters of the remote I/O station are not corrected and the remote I/O station is not reset.
• Reset, switch from STOP to RUN, or power on the CPU module in the remote master station if a stop
error exists in the remote I/O station.