7.2 Alarm History Display (Fn000)
This function displays the alarm history to check the ten latest alarms.
The latest ten alarm numbers and time stamps* can be checked.
∗ Time Stamps
A function that measures the ON times of the control power supply and main circuit power supply in 100-ms
units and displays the operating time when an alarm occurs. The time stamp operates around the clock for
approximately 13 years.
<Example of Time Stamps>
If 36000 is displayed,
3600000 [ms] = 3600 [s]
= 60 [min]
= 1 [h] Therefore, the number of total number of operating hours is 1.
Follow the steps below to confirm the alarm histories.
<Notes>
• If the same alarm occurs more than one hour later, this alarm is also saved.
• The display
".---" means no alarm occurs.
• Delete the alarm history using the parameter Fn006. The alarm history is not cleared on alarm reset or when
the SERVOPACK power is turned OFF.
Step Display after Operation Keys Operation
1
Press the MODE/SET Key to select "Alarm History Dis-
play (Fn000)." If a number other than Fn000 is dis-
played, press the UP Key or DOWN Key to set Fn000.
2
Press the DATA/SHIFT Key for approximately one sec-
ond. The latest alarm data is displayed.
3
Press the DOWN Key to display one older alarm data.
(To display one newer alarm data, press the UP Key.)
The higher the leftmost digit, the older the alarm data.
4
Press the DATA/SHIFT Key.
The lower four digits of Time Stamp are displayed.
5
Press the DATA/SHIFT Key.
The middle four digits of Time Stamp are displayed.
6
Press the DATA/SHIFT Key.
The higher two digits of Time Stamp are displayed.
7
Press the DATA/SHIFT Key.
The alarm number is displayed again.
8
Press the DATA/SHIFT Key for approximately one sec-
ond. "Fn000" is displayed again.
MODE
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