Mitsubishi Electric GOT SIMPLE Series Operation Manual page 110

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) Press the GOT reset switch.
2) Power on/off the GOT.
3) Reset or power on/off the PLC CPU.
4) Power on/off the GOT and PLC CPU
simultaneously.
5) Connect the cable again.
6) Write the package data again.
7) Install the basic software again.
8) Take the preventive measures against
noise, which is described in the
following.
Page 109 GOT installation status
check sheet
9) Replace the unit.
10) If the GOT is not restored by 1) to 9), proceed to the following.
Faulty product investigation
Faulty product investigation
If you cannot restore the GOT, consult your local sales office.
Depending on the problem details, we may ask you to send the faulty product to us.
In that case, attach the GOT status check sheet, GOT installation status check sheet, and system configuration check sheet
filled with details about your system.
11 TROUBLESHOOTING
108
11.1 GOT Restoration Sheets
Check Cause/status
□ Restored If the GOT is restored by the
□ Not restored operation on the left, a temporary
malfunction or others due to noise is
□ Restored
considered.
□ Not restored
□ Restored
□ Not restored
□ Restored
□ Not restored
□ Restored If the GOT is restored by the
□ Not restored operation on the left, the cable
connection may be faulty.
□ Restored If the GOT is restored by the
□ Not restored operation on the left, data may have
been destroyed by an action such as
□ Restored
powering off the GOT during the
□ Not restored
package data writing or basic
software installation.
□ Restored A temporary malfunction or others
□ Not restored due to noise is considered.
□ Restored If the GOT is restored by the
□ Not restored operation on the left, the unit may
has a hardware failure.
Action after restoration
Perform the following.
Page 109 GOT installation status
check sheet
Securely connect the cable.
If an error occurs again, proceed to the
following.
Faulty product investigation
Do not power off the GOT during data
transfer.
If an error occurs again, proceed to the
following.
Faulty product investigation
Perform the following.
Page 109 GOT installation status
check sheet
Install the failure unit to the GOT again to
check that the unit causes the
malfunction.
After the check, proceed to the following.
Faulty product investigation