Mitsubishi Electric GOT2000 Series User Manual page 225

■2. Status of the GOT when it freezes (screen operation stopped)
(1) Check of switching to the utility screen
Check Symptom
□ Possible
□ Impossible
(2) Executing the I/O check from the GOT utility
Check Symptom
□ Communication error
□ No error
(3) Check of the objects that are not displayed on the monitor screen
Check Symptom
□ Found
□ Not found
Cause/status
• Error code (system alarm):
Example:
460 Communication unit error
The system alarm cannot be used.
Cause/status
• Display details:
Example:
A message indicating that the cause may be
a connection error has been displayed.
The hardware such as a communication
interface has no error.
Cause/status
• Details:
Example:
The numerical display object is not
displayed.
Corrective action
When the system alarm display function can be
used, take the action for the error code (system
alarm) displayed.
If the corrective action cannot be taken, proceed
to (2).
Proceed to (3).
Corrective action
Proceed to (3).
Proceed to ■3. PLC status.
Corrective action
Proceed to ■3. PLC status.
10.1 GOT Restoration Sheets
10
10 - 5