Fanuc 414 Servo Alarm Z Axis Detect Error Repack ^hot^

Inside the pulse coder, a glass or plastic disc with etched lines spins. If a shock (like a tool crash) cracks this disc, the encoder will send random signals.

Troubleshooting and Repack Procedure for Fanuc Servo Alarm 414 (Z-Axis) Alarm Code: SV0414 (Series 16i/18i/21i/0i) or APC 414 (Series 0/10/11/12/15) Symptom: Digital servo system error; Z-axis movement prevented. fanuc 414 servo alarm z axis detect error repack