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After normal connection, press the auto-focus button, and the cutting head will move upward all the time.

Switch to the manual state, press the Z+and Z - buttons on the operation panel, and the Z-axis motor will not move

When pressing Z - or Z+for a longer time (about 3-4S), the Z axis will go down or up all the time, and it is normal to press Z - or Z+for a shorter time.

When working, there is light. Press the Spot button and there is no light

Press Z-axis to move manually on the panel, and the cutting head does not move

Start up and press the limit switch all the time

Press the test key ".", the cutting head is in the following state, but the jitter is large.

RDC6332M, when it can follow up, press the auto focus button, the laser head starts to descend, touches the iron plate, and then rises to the reference focus position, and then stops, without lifting