Powermate D - Alarm 414 (Digital Servo

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jraymond
Posts: 8
Joined: Thu Aug 09, 2012 8:37 pm

Powermate D - Alarm 414 (Digital Servo

Post by jraymond »

I have a Fanuc Powermate D getting Alarm 414 (Digital Servo System is Abnormal).

Diagnostic #0200:
X: 0 1 0 1 0 0 0 0
U: 0 1 0 0 0 0 0 0

According to the manual, the diagnostics above tell me that the X & U axis have low voltage.

The servo for the X & U axis (A06B-6066-H233) is displaying "2" on the LED alarm display. This would mean that I have an LV5V Control Power Low Alarm. +5 of control power is abnormally low.

We measured about 4.8ish volts. Do you think this is too low? I would think anything over 4.75V would be fine.

Does anyone got any ideas for us? How do we adjust the voltage to get exactly 5.0V? Is the servo amplifier faulty?