Danfoss Error 1027 [2021] Jun 2026

If the EEPROM data on either card is corrupted or the cards are physically damaged, they will fail to initialize, resulting in this error.

The Danfoss error code 1027 indicates a communication error between the control card and power card within a Danfoss VLT drive. By understanding the possible causes and following the recommended troubleshooting steps, you should be able to identify and resolve the issue, ensuring optimal drive performance and reliability. If you're still experiencing difficulties, don't hesitate to reach out to Danfoss support or a qualified expert for guidance. danfoss error 1027

Troubleshooting Danfoss Error 1027: A Quick Guide Seeing (or sometimes Fault 1027 ) on your Danfoss drive can be frustrating, especially when your system grinds to a halt. While many common Danfoss alarms cover basic overcurrent or voltage issues, code 1027 is a bit more specialized. If the EEPROM data on either card is

If you can still access the menu, you can perform an "Initialization" by following the steps on Danfoss MyDrive Assistant to return the drive to factory defaults. If you're still experiencing difficulties, don't hesitate to

The incoming line voltage is higher than the drive's rated capacity.

Fix: Check for continuity on programmed digital input terminals (often terminal 27) and ensure 24V DC is present. 📋 Step-by-Step Troubleshooting

Restore power to the drive without the motor connected and press the [Reset] key.