When the phase balance of the motor current was automatically adjusted, the read U phase current value was abnormal. • Defective WRCA01 circuit board • Defective amplifier Turn the power off then back on. If the phenomenon occurs again after repeating this operation several times, replace the WRCA01 circuit board, servopack for the axis where the error occurred.When the phase balance of the motor current was automatically adjusted, the read V phase current value was abnormal. • Defective WRCA01 circuit board • Defective amplifier
Reset was not completed though encoder
backup error reset was requested. It may be possible that the battery is not connected with the encoder. • Connect the battery with the encoder. Contact your YASKAWA representative because the breakdown of the encoder is thought when the alarm occurs again even if the battery is connected. 1336 XFC01 NOT INSTALLED The speed monitoring board (XFC01) is not mounted although it has been specified. Mount the speed monitoring board (XFC01). 1337 SPEED MONITOR LEVEL NOT SAME The error occurred in the speed monitoring level signal (duplicated signal check). • Check the connection cables of the I/O contactor unit. • Replace the WRCA01 board.
The error occurred in the speed monitoring level signal (signal error).
• Check the connection cables of the I/O contactor unit. • Replace the WRCA01 board. 1339 SPEED MONITOR LEVEL ERR (XFC01) The error occurred in the speed monitoring level signal. • Disconnected cable between the I/O contactor unit and the XFC01 circuit board • Disconnected cable between the I/O contactor unit and the XCI01 circuit board • Defective I/O contactor unit • Defective XFC01 circuit board • Check the cable connection between the I/O contactor unit and the XFC01 circuit board. • Check the cable connection between the I/O contactor unit and the XCI01 circuit board. • Replace the I/O contactor unit and the XFC01 circuit board. • If the error occurs again, contact your YASKAWA representative.
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