Fanuc Alarm 5139: FSSB: ERROR

Fanuc Alarm 5139: FSSB: ERROR

Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series

Fanuc Alarm Description

Servo initialization did not terminate normally. The optical cable may be defective, or there may be an error in connection to the amplifier or another module. Check the optical cable and the connection status.


Have you faced Fanuc Alarm 5139 FSSB: ERROR on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC operators and programmers clear this error faster!

 

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