Yaskawa VFD

OV – Over voltage

Main circuit over voltage

Details

Main circuit DC voltage exceeded maximum threshold.

Error typealarm
MeaningOver voltage
Typical causesRegenerative braking input voltage spike deceleration too fast
SolutionsIncrease deceleration time check input voltage verify braking resistor connection
Severityhigh

Catalog references

Vendor Information

YaskawaOV

Utilities

Troubleshooting Steps

Troubleshooting steps

Increase deceleration time check input voltage verify braking resistor connection

Related

Related Yaskawa VFD Codes

FAQ

Common questions

How do I slow down deceleration?

Adjust deceleration time parameter C1-08 or enable S-curve deceleration.

Community

Discussion & Experiences

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