10.3 Warning Displays
10-15
10
Maintenance, Inspections, and
T
roubleshooting
10.3
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
10.3.1 List of Warnings
.
The causes of warnings and troubleshooting methods are provided in
10.3.2 Troubleshooting of Warnings
.
10.3.1
List of Warnings
This section provides list of warnings.
∗1.
Use Pn800.1 to activate or not the warning detection.
∗2.
If using the commands for the MECHATROLINK-III standard servo profile, the warning will automatically be
cleared after the correct command is received.
Warning
Number
Warning Name
Meaning
Reset
A.900
Position Error Overflow
Position error exceeded the parameter setting
(Pn520
×
Pn51E/100).
Required
A.910
Overload
This warning occurs before the overload alarms (A.710 or
A.720) occur. If the warning is ignored and operation contin-
ues, an overload alarm may occur.
Required
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 the vibration detection switch (Pn310).
Required
A.930
Absolute Encoder Battery
Error
This warning occurs when the voltage of absolute encoder’s
battery is lowered.
Required
A.94A
*1
Data Setting Warning 1
(Parameter Number Error)
Incorrect command parameter number was set.
Automatic
reset
*2
A.94B
*1
Data Setting Warning 2
(Out of Range)
Command input data is out of range.
Automatic
reset
*2
A.94C
*1
Data Setting Warning 3
(Calculation Error)
Calculation error was detected.
Automatic
reset
*2
A.94D
*1
Data Setting Warning 4
(Parameter Size)
Data size does not match.
Automatic
reset
*2
A.94E
*1
Data Setting Warning 5
(Latch Mode Error)
Latch mode error is detected.
Required
A.95A
*1
Command Warning 1
(Unsatisfying Command)
Command was sent although the conditions for sending a
command were not satisfied.
Automatic
reset
*2
A.95B
*1
Command Warning 2
(Non-supported Command)
Unsupported command was sent.
Automatic
reset
*2
A.95D
*1
Command Warning 4
(Command Interference)
Command, especially latch command, interferes.
Automatic
reset
*2
A.95E
*1
Command Warning 5
(Subcommand Disable)
Subcommand and main command interfere.
Automatic
reset
*2
A.95F
*1
Command Warning 6
(Undefined Command)
Undefined command was sent.
Automatic
reset
*2
A.960
*1
MECHATROLINK
Communications Warning
Communications error occurred during MECHATROLINK
communications.
Required
A.97A
*1
Command Warning 7
(Phase Error)
A command that cannot be executed in the current phase was
sent.
Automatic
reset
*2
A.97B
*1
Data Clamp
(Out of Range)
The set command data was clamped to a minimum or maxi-
mum value out of the allowable setting range.
Automatic
reset
*2
A.9A0
*1
Overtravel
Overtravel is detected while the servomotor power is ON.
Required
