Omron NT20M Operation Manual page 60

Maintenance Mode
Order of Frequency
Initializing History Data
• One screen displays six items of record data.
• If not all of the record data shows on the screen, then use the Down Key to
scroll down.
• To return to RUN mode, press the Buzzer Key, Up Key, and Down Key si-
multaneously.
• When record data is displayed chronologically, the chronology number is
not displayed.
Record data is displayed in order of frequency.
No. Of Times
200 ( 2)
1 ( 1)
5 ( 1)
When different messages occur with the same frequency, they are displayed
in order beginning with the lowest screen number.
When there is no display data, the following message will be displayed (for
both order of occurrence and order of frequency).
History Record Not Found
If you select Init. Hist. from the Maintenance Mode menu, the history data
which is currently recorded will be deleted. Select Maintenance Mode from
the System Menu. The Maintenance Mode Menu will be displayed.
MAINTENANCE MENU
Quit Quit
Display Hist.
I/O Check
PT Settings
Move the bar cursor to Init. Hist. by pressing the Up and Down Keys. Then
press the Enter Key.
Initialize History?
Yes
No
Select whether or not the history will be initialized. If you select Yes, then ini-
tialization will be executed. All recorded history will be deleted. If you select
No, then operation will commence without initialization.
Message
Comp. Mal.
Coolant Mal.
Motor Mal.
Init. Screen
Init. Hist
Section 6-3
55