User`s manual

9 Troubleshooting
9.2.1 List of Warnings for Command Option Attachable Type SERVOPACKs
9-12
9.2 Warning Displays
When a warning has been detected, the SERVOPACK displays the warning status as shown below, and contin-
ues motor operation.
 Status Displays
9.2.1 List of Warnings for Command Option Attachable Type SERVOPACKs
The relation between warning displays and warning code outputs are shown below.
For details on the causes of warnings and the corrective action to take in response to them, refer to the follow-
ing manuals.
•
Σ -V Series User's Manual Design and Maintenance Rotational Motor/Command Option Attachable Type
(SIEP S800000 60).
•
Σ -V Series User's Manual Design and Maintenance Linear Motor/Command Option Attachable Type (SIEP
S800000 66).
SERVOPACK Panel Display The SERVOPACK's warning code is displayed.
LED Red LED: Flashing
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 Becomes active.
Warning
Display
Warning Name Meaning
Warning Code Output
/ALO1 /ALO2 /ALO3
A.900 Position Error Pulse Overflow
Position error pulse exceeded the parameter set-
tings (Pn520×Pn51E/100).
OFF
(open)
OFF
(open)
OFF
(open)
A.901
Position Error Pulse Overflow
Alarm at Servo ON
When the servo turns ON, the position error pulses
exceeded the parameter setting (Pn526×Pn528/
100).
A.910 Overload
This warning occurs before the overload alarms
(A.710 or A.720) occur. If the warning is ignored
and operation continues, an overload alarm may
occur.
ON
(close)
OFF
(open)
OFF
(open)
A.911 Vibration
Abnormal vibration at the motor speed was
detected. The detection level is the same as A.520.
Set whether to output an alarm or warning by
“Vibration Detection Switch” of Pn310.
A.920 Regenerative Overload
This warning occurs before the regenerative over-
load alarm (A.320) occurs. If the warning is
ignored and operation continues, a regenerative
overload alarm may occur.
OFF
(open)
ON
(close)
OFF
(open)
A.921 Dynamic Brake Overload
This warning occurs before the dynamic brake
overload alarm (A.731) occurs. If the warning is
ignored and operation continues, a dynamic brake
overload alarm may occur.
A.930 Absolute Encoder Battery Error
This warning occurs when the absolute encoder
battery voltage is lowered.
ON
(close)
ON
(close)
OFF
(open)