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Using the Digital Operator
7.2.1 Operation in Alarm Traceback Mode
7.2.1 Operation in Alarm Traceback Mode
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Note These user constants and those indicated as Pnjjj are displayed as shown below
if their passwords are set (Fn010). These user constants cannot be changed.
The alarm traceback mode can display up to ten alarms that have occurred, thus making it pos-
sible to check what kind of alarms have been generated.
The alarm traceback data is not cleared on alarm reset or when the Servopack power is turned
OFF. This does not adversely affect operation.
The data can be cleared using the special "clear alarm traceback mode." Refer to Section 7.2.5
Clearing Alarm Traceback Data for details.
Alarm Sequence Number
The higher the number,
the older the alarm data.
J J Checking Alarms
Follow the procedure below to determine which alarms have been generated.
Using the Hand-held Digital Operator
1. Press the DSPL/SET Key to select the "Displaying alarm traceback data (Fn000)" in the
auxiliary function mode.
2. Press the DATA/ENTER Key, and the alarm traceback data will be displayed.
3. Press the Up Cursor Key or Down Cursor Key to scroll the alarm sequence numbers up or
down and display information on previous alarms.
The higher the left-hand digit (alarm sequence number), the older the alarm data.
Flashing for one second
Alarm Code
See the table of
alarms.
Alarm Traceback
Display
7 -20
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