Fanuc · R-30iB Mate + Mate Plus Robot
Communication between the Pulsecoder and the line tracking board is abnormal, specifically indicating a Start/Stop Bit Error (STBERR). This signifies a problem with the framing of serial data packets.
Click steps to track your progress.
Check the connection cable at each end (the line tracking board and the Pulsecoder).
Check whether the shielding of the connection cable is securely connected to the grounding plate.
Replace the Pulsecoder.
Replace the line tracking cable.
Replace the line tracking board.