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.