Fanuc alarm: 380 - n AXIS : BROKEN LED (EXT)

CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
380 - n AXIS : BROKEN LED (EXT)

Alarm Description

The separate detector is erroneous.

Additional Suggestions & Alarm 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.

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