Mitsubishi Electric MELSEC L Series User Manual page 102

Error
code
[SP. UNIT LAY ERR.]
• The number of installed modules has exceeded 10.
• A module is installed in the position corresponding to the I/O
points of 4096 or greater.
• A module is installed across the boundary of 4096 I/O points.
2124
■Supplementary information
• Common information: -
• Individual information: -
■Diagnostic timing
• When powered on or reset
[SP. UNIT LAY ERR.]
• An inappropriate module was installed.
• No response is returned from the intelligent function module.
■Supplementary information
2125
• Common information: Module No. (Slot No.)
• Individual information: -
■Diagnostic timing
• When powered on or reset
[SYSTEM LAY ERR.]
An inappropriate module was installed.
■Supplementary information
2170 • Common information: -
• Individual information: -
■Diagnostic timing
When powered on or reset
[PARAMETER ERROR]
In PLC parameter, the number of points for empty slots is not set
within the range allowed for the head module.
■Supplementary information
3000
• Common information: File name/Drive name
• Individual information: Parameter No.
■Diagnostic timing
• When powered on or reset, or when writing to PLC
[PARAMETER ERROR]
The parameter setting is corrupted.
■Supplementary information
• Common information: File name/Drive name
3001
• Individual information: Parameter No.
■Diagnostic timing
• When powered on or reset, or when writing to PLC
[PARAMETER ERROR]
The parameter file is incorrect.
Or, the contents of the file are not parameters.
■Supplementary information
3004
• Common information: File name/Drive name
• Individual information: Parameter No.
■Diagnostic timing
• When powered on or reset, or when writing to PLC
[LINK PARA. ERROR]
• Although the number of modules is set to 1 or more in network
parameter for CC-Link, the number of actually connected
modules is 0.
• The start I/O number set in the parameter setting is different
from the actual I/O number.
3105
• In the network parameter setting for CC-Link, any of the
station types is mismatched.
■Supplementary information
• Common information: File name/Drive name
• Individual information: Parameter No.
■Diagnostic timing
• When powered on or reset
100
Downloaded from ManualsNet.com
Error and cause
search engine
• Reduce the number of installed modules to 10 or less.
• Remove the module installed in the position corresponding to the I/O points of
4096 or greater.
• Replace the end module so that the number of occupied points does not
exceed 4096.
• Reset the head module.
If the same error code is displayed again, the possible cause is a hardware
failure of the head module, I/O module, intelligent function module, or END
cover. (Please consult your local Mitsubishi representative.)
• Install an appropriate module.
• Reset the head module.
If the same error code is displayed again, the possible cause is a hardware
failure of the head module, I/O module, intelligent function module, or END
cover. (Please consult your local Mitsubishi representative.)
• Disconnect the inappropriate module.
• Reset the head module.
If the same error code is displayed again, the possible cause is a hardware
failure of the head module, I/O module, intelligent function module, or END
cover. (Please consult your local Mitsubishi representative.)
• Read detailed error information using the programming tool, and check and
correct the parameter corresponding to the value (parameter No.).
• Write the corrected parameters to the head module again, and reset or
reapply power to the head module.
If the the same error code is displayed again, the possible cause is a hardware
failure of the head module. (Please consult your local Mitsubishi representative.)
• Read detailed error information using the programming tool, and check and
correct the parameter corresponding to the value (parameter No.).
• Write the corrected parameters to the head module again, and reset or
reapply power to the head module.
If the the same error code is displayed again, the possible cause is a hardware
failure of the head module. (Please consult your local Mitsubishi representative.)
Check if the type of the parameter file is shown as "***.QPA" and if the file
contains parameters.
Correct the network parameter settings, and then write them.
If the error occurs again even after the correction, the module may have failed.
(Please consult your local Mitsubishi representative.)
Action