Yaskawa Σ-V Series AC Servo Drives Rotational Motor MECHATROLINK-II - Manual (Page 270)

8.2 Warning Displays
8-15
8
Trou
blesh
ooting
8.2
Warning Displays
The following sections describe troubleshooting in response to warning displays.
The warning name and warning meaning are listed in order of the warning numbers in 8.2.1 List of Warnings .
The causes of warnings and troubleshooting methods are provided in 8.2.2 Troubleshooting of Warnings .
8.2.1 List of Warnings
This section provides list of warnings.
∗1. Use Pn008.2 to activate or not the warning detection.
∗2. Use Pn800.1 to activate or not the warning detection.
Warning
Number
Warning Name Meaning
A.900 *1 Position Error Overflow
Position error exceeded the parameter setting
(Pn520 × Pn51E/100).
A.901
*1
Position Error Overflow Alarm
at Servo ON
When the servomotor power is ON, the position error exceeded the
parameter setting (Pn526
× Pn528/100).
A.910
*1 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.
A.911 *1 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 warn-
ing by the vibration detection switch (Pn310).
A.930 *1 Absolute Encoder Battery Error
This warning occurs when the voltage of absolute encoder’s battery
is lowered.
A.94A *2
Data Setting Warning 1
(Parameter Number Error)
Incorrect command parameter number was set.
A.94B
*2
Data Setting Warning 2
(Out of Range)
Command input data is out of range.
A.94C *2
Data Setting Warning 3
(Calculation Error)
Calculation error was detected.
A.94D *2
Data Setting Warning 4
(Parameter Size)
Data size does not match.
A.94E *2
Data Setting Warning 5
(Latch Mode Error)
Latch mode error is detected.
A.95A *2
Command Warning 1
(Unsatisfying Command)
Command was sent although the conditions for sending a command
were not satisfied.
A.95B *2
Command Warning 2
(Non-supported Command)
Unsupported command was sent.
A.95D *2
Command Warning 4
(Command Interference)
Command, especially latch command, interferes.
A.95E *2
Command Warning 5
(Subcommand Disable)
Subcommand and main command interfere.
A.95F *2
Command Warning 6
(Undefined Command)
Undefined command was sent.
A.960 *2
MECHATROLINK
Communications Warning Communications error occurred during MECHATROLINK commu-
nications.
A.9A0 *1 Overtravel Overtravel is detected while the servomotor power is ON.