Cybex Treadmills, Error 93, Over Voltage

Probable Cause:

  • Drive’s internal boost circuit is reporting >400V DC on the bus.

Corrective Action:

  • Verify line voltage isn’t spiking.
  • Check the internal AC wiring of the treadmill.
  • Verify correct voltage controller is used with regard to power at the outlet.
  • Replace the Drive Controller if the error continues.
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