YASKAWA SGM-A3 User Manual page 144

Alarm Code Output
Alarm Alarm
Display
ALO1 ALO2 ALO3
¢
○ : Output transistor is ON
¢ : Output transistor is OFF
* : Displays an alarm category number.
For details, refer to Appendix E List of Alarm Displays.
5) When the servo alarm (ALM+) is output, eliminate the cause of the alarm and set the fol-
lowing ALMRST input signal at low level (0V) to reset the alarm state.
→ Input ALMRST 1CN-44
This signal is used to reset the servo alarm state.
Alarm state can be reset using the Digital Operator.
Also, alarm state is reset at control power ON/OFF.
When an alarm occurs, always eliminate the cause before resetting the alarm
state. 6.2.1 Troubleshooting Problems with Alarm Display describes how to trou-
bleshoot the system when an alarm arises.
Servo
Alarm Alarm
Alarm Type Alarm Type
(ALM+)
Output
Digital
Operator
transmis- transmis-
U d fi Undefined d
sion error
No error
○
¢ ¢
Alarm Reset
3.7 Forming a Protective Sequence
Alarm Description Alarm Description
Communication error oc-
curred between Digital Oper-
ator and Servopack. ator and Servopack.
For Speed/Torque
Control and
Position Control
131
3