7.2 Troubleshooting diagnosis
7-5
7. Troubleshooting
[When an alarm is generated]
The alarm groups and warnings are as follows.
For details and countermeasures, see "7.4 Troubleshooting by alarm groups".
Alarm
group
Content Main content and typical countermeasures
A Overload alarm
[Content]
[Countermeasure]
Moving parts stopped abnormally.
Make sure that there are no
obstructions or obstacles.
B
Motor
error alarm
[Content]
[Countermeasure]
Motor abnormality occurred.
Replace the motor or controller.
C
Controller
error alarm
[Content]
[Countermeasure]
Controller abnormality occurred.
Replace the controller.
D
Controller-
encoder
abnormality
alarm
[Content]
[Countermeasure]
An abnormality occurred between the
controller and encoder.
Turn the power off and then on again.
If the unit still does not recover,
replace the motor or controller.
E
Power supply
voltage/Power
supply capacity
error alarm
[Content]
[Countermeasure]
Controller abnormality occurred.
Check the power supply voltage for any
abnormality.
Alarm
level
Content Main content and typical countermeasures
Warning
Maintenance
warning
[Content]
[Countermeasure]
The "maintenance period" has come to
an end.
Perform maintenance for the unit.
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