Our Brands

Welcome to the Schneider Electric Website

Welcome to our website.
		
How can we help you today?
What does the IGBT desaturation HDF fault mean on the ATV61 and ATV71 drives?

Issue:
IGBT desaturation HDF fault on the ATV61 and ATV71 drives.

Product Line:
Altivar ATV61 and ATV71

Environment:
All >90KW

Cause:
Short circuit or grounding on the output phases
Transistor IGBT is shorted out.

Resolution:
-Check the motor insulation and wiring. Use a 1000V Megger and test your motor.

-Run the Transistor test in the Diagnostics menu 1.10:

From the Drive menu,

  1. Scroll down to the Diagnostics menu and press enter
  2. Scroll down to Test Procedures and press enter
  3. highlight Transistor Test and press enter

-Perform a static check on the drive. Refer to this article for details: https://www.se.com/ww/en/faqs/FA173615/

-Try running the drive open circuit:

  1. Turn off OPL (menu 1.8 Fault Management, set OPL to no)
  2. Power down
  3. Disconnect the motor leads
  4. Power up the drive
  5. Running the motor at 20, 40, and 60hz. Check the output voltages (phase to phase) at each speed to see if they are balanced.

Schneider Electric Ireland

Explore more
Range:
Users group

Discuss this topic with experts

Visit our community and get advice from experts and peers on this topic and more
Explore more
Range:

Need help?

  • Product Selector

    Quickly and easily find the right products and accessories for your applications.

  • Where to buy?

    Easily find the nearest Schneider Electric distributor in your location.

  • Help Centre

    Search topic-related frequently asked questions to find answers you need.

  • Products Documentation
  • Software Downloads
  • Product Selector
  • Product Substitution and Replacement
  • Help and Contact Centre
  • Find our Offices
  • Where to buy
  • Careers
  • Company Profile
  • Report a misconduct
  • Accessibility
  • Newsroom
  • Investors
  • EcoStruxure
  • Job Search
  • Blog
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings
Your browser is out of date and has known security issues.

It also may not display all features of this website or other websites.

Please upgrade your browser to access all of the features of this website.

Latest version for Google Chrome, Mozilla Firefox or Microsoft Edgeis recommended for optimal functionality.