1 Error Messages
36-2 WindO/I-NV4 User’s Manual
Error Message Cause Solution
ZLD file format Error When a download was made using the PLC Program
Transfer function:
• The ZLD Project File format is invalid.
• The file is corrupt.
Remake the ZLD Project File.
Product Series is not correct When a download was made using the Project Data
Transfer function, the model of the downloaded project
and the model of the destination MICRO/I were different
Check that the model name
that is set in the file you want
to download is the same as
the model name of the
destination MICRO/I.
PLC Type is not correct When a download or upload was made using the PLC
Program Transfer function:
• The model of the downloaded PLC Program and the
model of the destination PLC were different.
• The runtime program version using the downloaded
PLC Program and the one of the destination PLC were
different.
Check PLC models and
runtime program versions.
PLC Password is not valid When a download or upload was made using the PLC
Program Transfer function, the password you entered
was incorrect.
Enter the correct password.
PLC communication Error When a download or upload was made using the PLC
Program Transfer function, a communication problem
with the PLC occurred.
It is possible that there is a
problem with the connection
with the PLC. Check the
connection between MICRO/I
and the PLC.
The specified files are not found The specified files were not in the specified location on
the external memory device when the File Copy function
was executed.
Check whether or not the file
is in the specified location on
the external memory device.
File Size Error The size of the source file exceeded the limit when the
File Copy function was executed.
Check the source file size. For
the maximum file size that can
be copied, refer to Chapter 29
“3.5 Precautions” on page 29-
38.
Insufficient memory error The resource memory of the HG is insufficient because of
the use of a large number of the following parts.
• Pilot Lamps, Multi-State Lamps, and Picture Displays.
• Message Display, Message Switching Display, and
Alarm List Display with the Scroll checkbox is
selected.
• Line Chart with the Display cursor checkbox is
selected.
• Parts over the number limit of parts that can be set
per screen by overlapping Base Screen.
Clear the Scroll or Display
cursor checkbox, or delete
parts to reduce memory
resource utilization.
Device write error The script generated a lot of write data, and the write
operation failed.
Reduce the number of write
operations to be performed at
the same time.
Communication error: READ
Illegal reply from Ext.device.
Confirm PLC, Device Address.
The external device returned an error for a read request
of a device address from the MICRO/I.
Check the following.
• The ID and name of the
external device for which
the communications error
occurred will be displayed.
Check if an error has
occurred on the
corresponding external
device.
• An error may have
occurred internally on the
external device. Check the
manual of the external
device.
• Check the address range of
the external device to see if
a non-existent address is
being accessed.
Communication error: WRITE
Illegal reply from Ext.device.
Confirm PLC, Device Address.
The external device returned an error for a write request
of a device address from the MICRO/I.
Communication error: INIT
Illegal reply from Ext.device.
Confirm PLC, Device Address.
The external device returned an error for an initialization
request to start communications from the MICRO/I.
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