Fanuc 366 Alarm -

Alarm 366. Correct single-line: IF [#1 EQ 5] THEN #2 = 10 (THEN is optional on some controls but required on others; safer to use it). For multi-line, use IF [#1 EQ 5] THEN … ENDIF .

If the above steps fail, the spindle amplifier itself may be faulty. Swap with a known working unit (ensure same model). fanuc 366 alarm

A specifically indicates an n-AXIS: PULSE MISS (INT) error . This occurs when the feedback system detects a pulse error originating from the built-in pulse coder (encoder) on a specific axis (where "n" is the axis number, like X, Y, or Z). What is Happening? Alarm 366

When the Fanuc 366 alarm occurs, it indicates that the spindle drive system has detected an abnormal temperature rise or overheat condition. This can be caused by various factors, including: If the above steps fail, the spindle amplifier

Inspect the cable at the motor and amplifier for damage, loose connections, or incorrect shielding.

Dust, oil, or coolant on the glass scale inside the pulse coder.