KFAS: Fanuc CNC Parts, Service, & Repair

Fanuc ALARM SV0017 aiSV-B AL-11

Alarm SV0017 Fanuc 0iF or 31iB and AL-11 on aiSV-B means,
there is a communication error in the servo amplifier.
Cause and troubleshooting
(a) Check that the control printed circuit board is properly inserted.
(b) Be sure to push the control printed circuit board in as far as it will go.

Replace the servo amplifier.

A06B6240 aiSV-B B65515EN Maintenance Manual

*CAUTION: High Voltage present.
Note: Some Machine's electrical cabinet doors are equipped with "door interlock" that will cause the breaker to trip when the door is open.  
See the machine's manual for information on how to bypass so that you can observe the alarm LED status

Fanuc CNC Alarm App for your smart phone

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