Problem
This troubleshooting article applies only to post 2020 machines
If the machine is not operating and the” information light” next to the power button and the firmware LED on the logic board flashes with the following eight-bit pattern as described here:
0010 1100 x-axis
0010 1101 y-axis
0010 1110 z-axis
Where 0 indicates a short pulse which is 1/4 second and 1 indicates a long pulse which is 1 second long.
This pattern indicates that the axis is moving without being commanded to do so.
Solution
Check the following items:
Check that all the encoder and motor cables are plugged in the right place.
There could be a major electrical malfunction in the Amplifier Board.