Fanuc alarm: 381 – n AXIS : ABNORMAL PHASE (EXT LIN)

CNC Machine Alarm Error & Message: 381 – n AXIS : ABNORMAL PHASE (EXT LIN)
Fanuc Alarm Description:
A phase data error occurred in the separate linear scale.

Additional Suggestions & Fanuc alarm: 381 – n AXIS : ABNORMAL PHASE (EXT LIN) Clarification:
EXT= External feedback coder used possibly a scale or separate encoder. If a scale-dirt or contamination may be present on sensor or glass. Cleaning can sometimes fix the problem.

Troubleshooting Recommendations for (Fanuc alarm: 381 – n AXIS : ABNORMAL PHASE (EXT LIN)) Error Message:

Fanuc CNC Control Models Applicable:16/18/21, 16i/18i/21i, 160i/180i/210i, ,


Fanuc alarm: 381 – n AXIS : ABNORMAL PHASE (EXT LIN)