①The occurrence of this problem indicates that the Z-axis limit switch is in the stage of being triggered all the time. Please first check whether the wiring of the Z-axis limit switch is installed correctly, and whether the wiring is disconnected.
②When the machine is powered on, measure the Z-axis limit switch wiring; if the measurement is about 3V, it means that the Z-axis limit switch is the problem.
The above troubleshooting methods cannot solve the problem. We suggest you create an after-sales ticket and our After-sales engineers will help you solve the problem. (Reply time :1 working day)
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