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7.4 Hardware signals
A-5504-0065 machines
NOTE: The following information is only applicable to A-5504-0065 machines, identifiable by
LED lights on the base casting.
To aid trouble shooting, there are three LEDs located at the back right of the base casting. To view the
LEDs, remove the fixture plate as shown below. The LEDs report the status of the amplification board
and whether it is communicating via the PCIe cable.
If the LEDs are off, it
means that the PCB is
not powered
The servos are engaged
The machine is powered
with no hardware errors.
There is a hardware error
stopping the motors from
moving, or the stop button
is engaged.
The rear LED can either be pulsing green or off. When green, it indicates that the Equator machine is
connected and communicating to the controller.
The other two LEDs indicate the status of the drive struts; they are green if the servos are engaged,