Fanuc alarm: 309 - APC ALARM: n AXIS ZRN IMPOSSIBL

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, 0/00/0-mate, 0i
309 - APC ALARM: n AXIS ZRN IMPOSSIBL

Alarm Description

Return to the origin has been attempted without first rotating the motor one or more times. Before returning to the origin, rotate the motor one or more times then turn off the power.

Additional Suggestions & Alarm Clarification

Must move the axis at least one revolution of the ballscrew or at least 6"

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