Mitsubishi Electric C80 series Maintenance Manual page 71

C80 Series Maintenance Manual
4 Failure Diagnosis
Menus
Menus
This displays the first page of the alarm history.
Alarm
The history sequentially displays 16 alarms per page from the latest alarm. If there are two or more NC
history
alarms of same day and time, the alarms are sequentially displayed from the alarm and warning of the
1st part system. To display the old history, press the
key.
The data collection of the alarm history is started (restarted).
History
The operation message "The collection begin? (Y/N)" appears. When the [Y] or [INPUT] key is pressed,
start
the data collection is started after the operation message "The collection begin" appears. Press the [N]
or other than [INPUT] key when the data collection will be not started/restarted.
The data collection of the alarm history is stopped.
History
The operation message "The collection stop? (Y/N)" appears. When the [Y] or [INPUT] key is pressed,
stop
the data collection is stopped after the operation message " The collection stop" appears. Press the [N]
or other than [INPUT] key when the data collection will be not stopped.
The alarm information of history is updated.
History
When the history is updated, the page with latest alarm information (first page) is displayed. The history
update
is updated even if changing to another screen, and returning to the alarm history screen.
The alarm information of history is cleared.
History
The operation message "Execute the collection data clear? (Y/N)" appears. When the [Y] or [INPUT]
clear
key is pressed, the alarm information of history is cleared after the operation message "Data clear com-
plete" appears. The first page is displayed when the history is cleared.
Note
(1) The menus [History start], [History stop], [History update] and [History clear] are valid when the alarm history function
is valid and the menu [Alarm history] is selected.
(2) When the alarm history function is used for the first time, clear the alarm history contents by pressing the menu [History
clear]. Unnecessary data may be recorded in the alarm history.
Precautions
(1) If the recording of the alarms is stopped with the menu [History stop] in the alarm history screen, alarms are not recorded
in the history even after the NC power is turned OFF and ON. In this case, the recording of the alarms must be started
with the menu [History start] in the alarm history screen.
(2) If the time and date are changed, the change is not reflected to the time and date of the history data recorded before
the change. Therefore, if the time and date are changed, clear the history with the menu [History clear].
(3) If an alarm occurs while the alarm history is displayed, the display is not updated. Update the history by switching the
screen with the menu [History update].
(4) Depending on the part system setting of "Sampling spec" in the maintenance diagnostic data collection setting, the part
systems to be recorded in the alarm history vary. If "0" is set, alarms of all part systems are recorded.
(5) The alarm history data collection start/stop operation is switched using the menu [Start] or [Stop] of data collection re-
gardless of whether "Alarm history" is set to "0" or "1" in "Collecting data select" in the maintenance diagnostic data
collection setting.
IB-1501454-C
Details
key. To display the new history, press the
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