Warning Displays; List Of Warnings - YASKAWA E-V Series User Manual

8 Troubleshooting

8.2.1 List of Warnings

8.2

Warning Displays

The following sections describe troubleshooting in response to warning displays.
The warning name, warning meaning, and warning code output are listed in order of the warning numbers in

8.2.1 List of Warnings.

The causes of alarms and troubleshooting methods are provided in 8.2.2 Troubleshooting of Warnings.
8.2.1 List of Warnings
The relation between warning displays and warning code outputs are shown below.
Warning Display
A.900
A.901
A.910
A.911
A.920
A.921
A.94A
A.94B
A.94C
A.94D
A.94E
A.95A
A.95B
A.95D
A.95E
A.95F
A.960
A.971
Note 1. Warning code is not outputted without setting Pn001.3 =1 (Outputs both Alarm Codes and Warning Codes.)
2. If Pn008.2 = 1 (Do not detect warning) is selected, all warnings will not be detected.
8-22
Warning Name
Position Error Pulse Overflow
Position Error Pulse Overflow
Alarm at Servo ON
Overload
Vibration
Regenerative Overload
Dynamic Brake Overload
Data Setting Warning 1
(Parameter Number Error)
Data Setting Warning 2
(Out of Range)
Data Setting Warning 3
(Calculation Error)
Data Setting Warning 4
(Parameter Size)
Data Setting Warning 5
(Latch Mode Error)
Command Warning 1
(Unsatisfying Command)
Command Warning 2
(Non-supported Command)
Command Warning 4
(Command Interference)
Command Warning 5
(Subcommand Disable)
Command Warning 6
(Undefined Command)
MECHATROLINK
Communications Warning
Undervoltage
Meaning
Position error pulse exceeded the parameter settings
(Pn520×Pn51E/100).
When the servo turns ON, the position error pulses exceeded the
parameter setting (Pn526×Pn528/100).
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.
Abnormal vibration at the motor speed was detected. The detec-
tion level is the same as A.520. Set whether to output an alarm
or warning by "Vibration Detection Switch" of Pn310.
This warning occurs before the regenerative overload alarm
(A.320) occurs. If the warning is ignored and operation contin-
ues, a regenerative overload alarm may occur.
This warning occurs before Dynamic Brake Overload (A.731)
alarm occurs. If the warning is ignored and operation continues,
a dynamic brake overload alarm may occur.
Incorrect command parameter number was set.
Command input data is out of range.
Calculation error was detected.
Data size does not match.
Latch mode error is detected.
Command was sent although the conditions for sending a com-
mand were not satisfied.
Unsupported command was sent.
Command, especially latch command, interferes.
Subcommand and main command interfere.
Undefined command was sent.
Communications error occurred during MECHATROLINK
communications.
This warning occurs before Undervoltage (A.410) alarm occurs.
If the warning is ignored and operation continues, an undervolt-
age alarm may occur.