YASKAWA E-7S SERVOPACK SGD7S - 15.3 Warning Displays

15.3 Warning Displays
15.3.1 List of Warnings
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15
Maintenance
15.3 Warning Displays
Warnings are displayed to warn you before an alarm occurs. If a warning occurs in the SERVO-
PACK, the status is displayed as described below.
 Status Display
A list of warnings and the causes of and corrections for warnings are given below.
15.3.1 List of Warnings
This section gives the warning names, warning meanings, and warning code outputs in order
of the warning numbers.
List of Warnings
SERVOPACK Panel Display
The alarm number will be displayed.
Refer to the following section for details.
1.5.1 Panel Display on page 1-10
Indicator
Green indicator: Remains unlit
Red indicator: Remains lit
Refer to the following section for details.
1.5.2 Indicators on page 1-11
Digital Operator
When a warning occurs, the warning code is displayed at the
top left of the screen.
Response to the Alarm or Warning Read
Command (ALM)
Warning code
Response to the Most Recent Error Read
Command (ERR)
No change
ALM Signal No change
/WARN Signal Turns ON.
Warning
Number
Warning Name Meaning
Warning Code Output
/ALO1 /ALO2 /ALO3
A.900
Position Deviation
Overflow
The position deviation exceeded the percentage set
with the following formula:
(Pn520 × Pn51E/100)
HHH
A.901
Position Deviation
Overflow Alarm at
Servo ON
The position deviation when the servo was turned
ON exceeded the percentage set with the following
formula: (Pn526 × Pn528/100)
A.910 Overload
This warning occurs before an overload alarm
(A.710 or A.720) occurs. If the warning is ignored
and operation is continued, an alarm may occur.
LHH
A.911 Vibration
Abnormal vibration was detected during motor
operation. The detection level is the same as A.520.
Set whether to output an alarm or a warning by set-
ting Pn310 (Vibration Detection Switch).
Continued on next page.