Error Messages And Corrective Action - Mitsubishi Electric GOT2000 Series User Manual

5.8

Error Messages and Corrective Action

The following shows the error messages for the sequence program monitor (SFC) and the corrective actions.
Error message
Failed to write the value to the
device.
Failed to communicate with CPU.
File access error. Confirm the SD
card.
Failed to get the information.
Failed to save files because of an
insufficient capacity of SD card.
The file(file name) is broken. The file
is unselected.
Failed to write (file name) to SD card.
Change the Data save location of Q/
QnA ladder monitor to A: or B:
The ladder block is too big to display.
The specified block does not exist.
Confirm the program.
The file(file name) is broken. Perform
PLC Read and read the file again.
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5.8 Error Messages and Corrective Action
Description
In the device test mode, the GOT fails to
write the value into the device of the
PLC CPU.
The GOT cannot communicate with the
target PLC CPU.
A file access error occurs.
• The GOT cannot communicate with
the PLC CPU.
• A file with faulty file name is selected.
The SD card has insufficient space for
storing files.
The file read from the SD card is broken.
The GOT fails to write the file into the
SD card.
The sequence program monitor (SFC) is
started with [Data save location] is set to
a drive other than [A: Built-in SD card]
and [B:Memory card] in the sequence
program monitor (ladder) setting.
The GOT cannot display a sequence
program in the zoom window because
the program has a ladder block with 25
or more lines.
The GOT cannot display the specified
block data in the SFC diagram because
the specified block does not exist.
The GOT cannot display the program
file data on the block list screen or SFC
diagram monitor screen because the
program file is broken.
Corrective action
(1) Check the communications between the GOT and
PLC CPU, and make sure that the GOT communicates
with the PLC CPU.
(2) Check if the target device is writable with prameters
of the target PLC CPU.
Check the communications between the GOT and PLC
CPU, and make sure that the GOT communicates with
the PLC CPU.
(1) When no SD card is installed, install a SD card.
(2) When the SD card access switch is off, turn on the
switch.
(3) Check if the SD card is formatted with FAT16.
When the SD card is not formatted with FAT16, format
the SD card with FAT16 and install the card in the GOT.
• Check the communications between the GOT and
PLC CPU, and make sure that the GOT
communicates with the PLC CPU.
• Select the file after changing the message display
language to one which can display the file name in
the utility.
• Change the file name with GX Developer.
(1) Delete files in the SD card.
(2) Install a large capacity SD card.
(1) Do not select broken files.
(2) Overwrite the broken file with the unbroken file.
(1) When no SD card is installed, install a SD card.
(2) When the SD card access switch is off, turn on the
switch.
(3) Check if folders and files within the SEQDAT folder in
the SD card are writable. When the folders and files are
not writable, make sure that the folders and files are
writable.
(4) Check if the SD card is formatted with FAT16.
When the SD card is not formatted with FAT16, format
the SD card with FAT16 and install the card in the GOT.
Set [Data save location] to [A: Built-in SD card] or
[B:Memory card] in the sequence program monitor
(ladder) setting of the GOT utility.
Split the ladder block.
Correct the program with GX Developer and operate the
GOT for reading the file from the PLC.
Operate the GOT for reading the file from the PLC.