• Insert the circuit board in the CPU rack or the connector on the circuit board fast. • Replace the circuit board • If the error occurs again, contact your YASKAWA representative. 0941 WATCHDOG TIMER ERROR (WRCA#2) [Decimal Data] An insertion error of the WRCA01#2 circuit board or defective circuit board. • Insert the circuit board in the CPU rack or the connector on the circuit board fast. • Replace the circuit board. • If the error occurs again, contact your YASKAWA representative. 0942 WATCHDOG TIMER ERROR (WRCA#3) [Decimal Data] An insert error of the WRCA01#3 circuit board or defective circuit board. • Insert the circuit board in the CPU rack or the connector on the circuit board fast. • Replace the circuit board. • If the error occurs again, contact your YASKAWA representative
The motor speed displayed
in the axis data exceeds the maximum motor speed. • Incorrect wiring of motor U,V,W lines • Incorrect motor type • The motor was rotated by an external force. • Motor (encoder) fault • Check the connection of the motor. • Check the robot motion for when the alarm occurs and if any external force is being applied to the motor. • Check if the the U, V, and W lines of the motor are connected correctly. If not, reconnect them
• Check if the alarm occurs at a teaching speed lower
than the speed when the
alarm occurred. Depending on the
teaching posture, the R, B, or T axis
may move at a higher speed during linear interpolation. If so, reconsider the
teaching.
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