Mitsubishi Electric GOT SIMPLE GS2110-WTBD User Manual page 273

(2) Status where the GOT screen is frozen (When the screen operation stops)
Phenomenon
(a) Switching to the utility
Enabled
Disabled
(b) I/O check with the utility of the GOT
Communication fault
No error
(c) Objects that are not displayed on the monitor screen
Exists
None
(3) PLC CPU status
Phenomenon
(a) PLC error
Always
Sometimes
Normal operation
Cause/Status
Error code (system alarm):
(
Example: 460 Communication unit error
The system alarm display function cannot be
used.
Display contents:
(
Example: A message that indicates the possible
cause is a connection failure is displayed.
Hardware such as the communication interface
has no error.
Detail:
(
Example: The numerical display is not displayed.
Cause/Status
The possible cause is CONTROL-BUS. ERROR,
SP. UNIT LAY. ERROR, or other errors.
Error code (system alarm):
(
Example: 1204 CPU H/W fault
The possible cause is noise or a hardware failure.
Frequency:
(
Example: Once a month
Error code (system alarm):
(
Example: 1204 CPU H/W fault
-
Corrective action
When the system alarm display function can
be used, take corrective actions for the
)
displayed error code (system alarm).
Otherwise, go to (2)-(b).
Go to (2)-(c).
)
Go to (2)-(c).
Go to (3) PLC CPU status.
) Go to (3) PLC CPU status.
Corrective action
Go to the following.
➠
22.1
)
)
Go to (4) GOT restoration procedure.
)
22.1 GOT Restoration Sheets
22
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