15.3 Warning Displays
15.3.1 List of Warnings
15-54
*
Refer to the following sections for details.
15.3.3 INDEXER Module Error Displays and Troubleshooting
Note: 1. A warning code is not output unless you set Pn001 to n.1
(Output both alarm codes and warning
codes).
2. Use Pn008 = n.
X
(Warning Detection Selection) to control warning detection.
However, the following warnings are not affected by the setting of Pn008 = n.
X
and other parameter
settings are required in addition to Pn008 = n.
X
.
A.912
Internal Temperature
Warning 1 (Control
Board Temperature
Error)
The surrounding temperature of the control PCB is
abnormal.
H
L
H
A.913
Internal Temperature
Warning 2 (Power
Board Temperature
Error)
The surrounding temperature of the power PCB is
abnormal.
A.920
Regenerative Overload
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.
A.921
Dynamic Brake Over-
load
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.
A.923
SERVOPACK Built-in
Fan Stopped
The fan inside the SERVOPACK stopped.
A.930
Absolute Encoder Bat-
tery Error
This warning occurs when the voltage of absolute
encoder’s battery is low.
L
L
H
A.93B
Overheat Warning
The input voltage (temperature) for the overheat
protection input (TH) signal exceeded the setting of
Pn61C (Overheat Warning Level).
A.942
Speed Ripple Com-
pensation Information
Disagreement
The speed ripple compensation information stored
in the encoder does not agree with the speed ripple
compensation information stored in the SERVO-
PACK.
H
H
L
A.971
Undervoltage
This warning occurs before an A.410 alarm (Under-
voltage) occurs. If the warning is ignored and oper-
ation is continued, an alarm may occur.
L
L
L
A.9A0
Overtravel
Overtravel was detected while the servo was ON.
H
L
L
A.9b0
Preventative Mainte-
nance Warning
One of the consumable parts has reached the end
of its service life.
H
L
H
A.A9F
Error
Some kind of error has occurred at the INDEXER
Module.
*
L
H
H
Warning
Parameters That Must Be Set to Select Warning Detection
Reference
A.911
Pn310 = n.
X (Vibration Detection Setting)
A.930
Pn008 = n.
X (Low Battery Voltage Alarm/Warning Selection)
A.942
Pn423 = n.
X
(Speed Ripple Compensation Information Dis-
agreement Warning Detection Selection)
A.971
Pn008 = n.
X
(Function Selection for Undervoltage)
(Not affected by the setting of Pn008 = n.
X
.)
A.9A0
Pn00D = n.X
(Overtravel Warning Detection Selection)
(Not affected by the setting of Pn008 = n.
X
.)
A.9b0
Pn00F = n.
X (Preventative Maintenance Selection)
Continued from previous page.
Warning
Number
Warning Name
Meaning
Warning Code Output
/ALO1 /ALO2 /ALO3