Mitsubishi Electric GOT SIMPLE Series Operation Manual page 404

GOT restoration procedure
Follow the procedure below starting from 1), and check if the GOT is restored.
Perform the action in each check item and mark the corresponding checkbox.
If the GOT is restored, take the action after restoration.
If the GOT is not restored, proceed to the next check item.
No. Check item
1) The GOT is restored by using the reset
switch on the GOT.
2) The GOT is restored by powering on
and off the GOT.
3) The GOT is restored by resetting or
powering on and off the PLC CPU.
4) The GOT is restored by powering on
and off the GOT and the PLC CPU
simultaneously.
5) The GOT is restored by reconnecting
cables.
6) The GOT is restored by reinstalling
project data.
7) The GOT is restored by reinstalling OS.
8) Take the preventive measures against
noise, which is described in the
following.
Page 403 GOT installation status
check sheet
9) The GOT is not restored even after the
corrective actions in 1) to 8) are taken.
*1 Make sure to turn off the PLC first, and turn off and then on the GOT.
Actual product investigation
When the GOT still operates improperly even after the corrective actions described above are taken, contact your local
distributor.
Depending on the error status, the actual product may need to be returned to us.
In that case, attach the GOT status check sheet, GOT installation status check sheet, and system configuration check sheet
(Write down your system configuration used on the sheet).
34 TROUBLESHOOTING
402
34.1 GOT Restoration Sheets
Check
□ Restored
□ Not restored
□ Restored
*1
□ Not restored
□ Restored
□ Not restored
□ Restored
□ Not restored
□ Restored
□ Not restored
□ Restored
□ Not restored
□ Restored
□ Not restored
□ Restored
□ Not restored
-
Cause
It may be a temporary malfunction
due to noise.
The possible cause is a cable
connection fault.
In such a case where the GOT is
powered off during installation of
project data or OS, the data may be
corrupted.
It may be a temporary malfunction
due to noise.
Action after restoration
Perform the following.
Page 403 GOT installation status
check sheet
Connect cables securely.
If an error occurs again, proceed to the
following.
Actual product investigation
Do not power off the GOT during data
transmission.
If an error occurs again, proceed to the
following.
Actual product investigation
Perform the following.
Page 403 GOT installation status
check sheet
Proceed to the following.
Actual product investigation