Danfoss Error 1027 -
Apply power while holding these keys for at least 5 seconds. Note: This will erase all your custom parameters.
Because Error 1027 is an internal fault, manual intervention is often limited. However, you can follow these steps to verify if the drive can be recovered: Disconnect the mains supply. danfoss error 1027
Press and hold the , [Main Menu] , and [OK] keys simultaneously. Apply power while holding these keys for at least 5 seconds
This error is almost always hardware-related rather than a programming mistake. The most common reasons include: manual intervention is often limited. However
If you have a similar, working Danfoss VLT drive nearby, swap the control card to see if the error follows the card or stays with the drive.