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Hardware Troubleshooting
3-19
7-segment
LED
Alarm Name Operating Status Problem Solution
y Low 5V power
y Replace the
Servo Amplifier
y Faulty PC board.
y Replace the
Servo Amplifier
Remains off after the
control power has
been turned on
y CPU error
y Turn the control
power off once,
then on again.
If the error
recurs, replace
the Servo
Amplifier.
y Low 5V power
y Replace the
Servo Amplifier
No light CPU error
Comes off during
operation
y CPU error
y Turn the control
power off once,
then on again.
If the error
recurs, replace
the Servo
Amplifier.
Hardware Troubleshooting
3-21
3.9. Sensors on the Machine
3.9.1. The Sensor Lay-Out
Figure 3-16. The locations of sensors on the machine