Spindle Amplifier communication error

What does d7 mean?

A communication error has occurred within an electronic device on the Spindle Amplifier control circuit. This suggests that the Spindle Amplifier control printed-circuit board may be loose, or the Spindle Amplifier unit itself is faulty. This error directly impacts the control functionality of the spindle.

• Spindle Amplifier control printed-circuit board is loose
• Spindle Amplifier is abnormal

1. 1

   Check whether the Spindle Amplifier control printed-circuit board is mounted correctly and all fasteners are secure.

2. 2

   If the board is confirmed to be mounted correctly and securely, replace the Spindle Amplifier unit.