FAQ: OV - Fault Code Description
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Digital Operator Display Text: OV
Discription:Overvoltage of the main circuit when running.
230V Units - trip point 400V DC or more.
460V Units - trip point 800V DC or more.
600V Units - trip point 1050V DC or more.
Possible Cause(s): High input voltage at L1, L2, and L3. The deceleration time is set too
short. Power factor correction capacitors are being used on the input to the inverter.
Corrective Action: Check the input circuit, verify the program parameters, add a braking
resistor, remove the power factor correction capacitors.
For information on resetting a fault on G5, E7, F7or G7 Drives, see FAQ# DRV-5P8PGJ.
For more information and a complete list of fault codes see the following manuals TM4515, TM4506 and PP.P5G5.01.
SAFETY PRECAUTIONS AND INSTRUCTIONS FOR USE OF FAQ INFORMATION!
Please read and understand the product instruction manual before installing, servicing or operating Yaskawa products. FAQ content and illustrations are provided as technical advice to augment the information in manual, not supersede it. It is not possible to give detailed instructions for all types of installation or support activities. The information described in the FAQs are subject to change without notice to improve the product or FAQ. Yaskawa assumes no responsibility for errors or omissions or damages resulting from the use of the information contained in any FAQ. All warnings, cautions and product instruction for product use must be followed. Installation, operation and maintenance should be carried out by qualified personnel. Failure to observe these and other precautions highlighted in the product manuals will expose the user to high voltages resulting in, serious injury or death. Qualified personnel are defined as individuals who are familiar with the installation, starting, operation and maintenance of Yaskawa products of the type described and have proper qualifications to perform the work.
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2121 Norman Drive South
Waukegan, IL 60085