3.5 FT83 SERVOPACKs with Analog Voltage/Pulse Train References
3.5.5 Warning Displays
3
Maintenance
3-237
3.5.5
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
3.5.6
List of Warnings
This section gives the warning names, warning meanings, and warning code outputs in order
of the warning numbers.
SERVOPACK Panel Display
The alarm number will be displayed.
Refer to the following manual for details.
Σ
-7-Series
Σ
-7S SERVOPACK with Analog Voltage/Pulse
Train References Product Manual
(Manual No.: SIEP S800001 26)
Digital Operator
When a warning occurs, the warning code is displayed at the
top left of the screen.
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)
H
H
H
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.
L
H
H
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).
A.912
Internal Temperature
Warning 1 (Control
Board Temperature
Error)
The surrounding temperature of the control PCB is
abnormal.
H
L
H
A.913
Internal Temperature
Warning 2 (Power
Board Temperature
Error)
The surrounding temperature of the power PCB is
abnormal.
A.920
Regenerative Overload
This warning occurs before an A.320 alarm (Regen-
erative Overload) occurs. If the warning is ignored
and operation is continued, an alarm may occur.
A.921
Dynamic Brake Over-
load
This warning occurs before an A.731 alarm
(Dynamic Brake Overload) occurs. If the warning is
ignored and operation is continued, an alarm may
occur.
A.923
SERVOPACK Built-in
Fan Stopped
The fan inside the SERVOPACK stopped.
A.930
Absolute Encoder Bat-
tery Error
This warning occurs when the voltage of absolute
encoder’s battery is low.
L
L
H
Continued on next page.