Warning Displays - YASKAWA SGM7D-30F Product Manual

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
SERVOPACK Panel Display
Digital Operator
ALM Signal
/WARN Signal
3.5.6 List of Warnings
This section gives the warning names, warning meanings, and warning code outputs in order
of the warning numbers.
Warning
Number
Position Deviation
A.900
Overflow
Position Deviation
A.901 Overflow Alarm at
Servo ON
A.910 Overload
A.911 Vibration
Internal Temperature
Warning 1 (Control
A.912
Board Temperature
Error)
Internal Temperature
Warning 2 (Power
A.913
Board Temperature
Error)
A.920 Regenerative Overload
Dynamic Brake Over-
A.921
load
SERVOPACK Built-in
A.923
Fan Stopped
Absolute Encoder Bat-
A.930
tery Error
Warning Name
The position deviation exceeded the percentage set
with the following formula:
(Pn520 × Pn51E/100)
The position deviation when the servo was turned
ON exceeded the percentage set with the following
formula: (Pn526 × Pn528/100)
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.
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).
The surrounding temperature of the control PCB is
abnormal.
The surrounding temperature of the power PCB is
abnormal.
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.
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.
The fan inside the SERVOPACK stopped.
This warning occurs when the voltage of absolute
encoder's battery is low.
3.5 FT83 SERVOPACKs with Analog Voltage/Pulse Train References
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)
When a warning occurs, the warning code is displayed at the
top left of the screen.
No change
Turns ON.
Meaning
3.5.5 Warning Displays
Warning Code Output
/ALO1 /ALO2 /ALO3
H H H
L H H
H L H
L L H
Continued on next page.
3-237
3