CYBEX 525T Service Manual page 86

Cybex 525T Treadmill Part Number
Error 93: Over Voltage (DC Link)
Cause:
Drive's internal boost circuit is reporting >400V DC on the bus.
Service:
• Verify line voltage isn't spiking.
• Check the treadmill's internal AC wiring.
• 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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