To isolate whether the problem is the motor or the cable, try disconnecting the feedback cable. If the alarm changes to a "Serial Data Error" (like 368), the cable and amplifier's communication path might be okay, further pointing toward an internal motor encoder issue. MRO Electric Are you currently seeing this alarm on a specific axis (like X or Z), and does it happen during rapid movements or while the machine is Drive or encoder issue? - Fanuc CNC forum | Facebook
To prevent alarm 366, ensure:
This alarm typically stems from electrical interference or hardware degradation rather than a simple programming error.
R. K. Miller and S. Tanaka — "Encoder Signal Integrity and CNC Servo Alarms" (IEEE/ASME Conference on Mechatronic Systems, 2017)
: Ensure the motor frame is properly grounded to the machine's grounding terminal. MRO Electric parameter values
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learn moreTo isolate whether the problem is the motor or the cable, try disconnecting the feedback cable. If the alarm changes to a "Serial Data Error" (like 368), the cable and amplifier's communication path might be okay, further pointing toward an internal motor encoder issue. MRO Electric Are you currently seeing this alarm on a specific axis (like X or Z), and does it happen during rapid movements or while the machine is Drive or encoder issue? - Fanuc CNC forum | Facebook
To prevent alarm 366, ensure:
This alarm typically stems from electrical interference or hardware degradation rather than a simple programming error. fanuc 366 alarm
R. K. Miller and S. Tanaka — "Encoder Signal Integrity and CNC Servo Alarms" (IEEE/ASME Conference on Mechatronic Systems, 2017) To isolate whether the problem is the motor
: Ensure the motor frame is properly grounded to the machine's grounding terminal. MRO Electric parameter values - Fanuc CNC forum | Facebook To prevent
