FAQ: UV -- Fault Code Description
Breadcrumb
Contact Us
contactUsAction
Digital Operator Display Text: UV DC Bus Undervolt
Description: The main circuit or control circuit voltage has fallen below the under voltage trip point momentarily. A minor fault contact output can be programmed by using the multi-function outputs. (GPD515/G5 only)
Possible Cause(s): Single phase condition on the input, low input voltage at L1, L2, and L3.
Corrective Action: Check the three phase input voltage, verify setting of L2-05 for GPD515/G5.
For more information and a complete list of fault codes see the following manuals TM4515 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.
Phone
If you have an urgent request, please call: 1-800-YASKAWA (927-5292) or 1-847-887-7000.Electronically
To contact us electronically, please select your type of request and complete the form.Yaskawa America, Inc. - Drives & Motion Division
2121 Norman Drive South
Waukegan, IL 60085