Danfoss Error 1027 (2025)

Apply power while holding these keys for at least 5 seconds. Note: This will erase all your custom parameters.

: A version mismatch between the installed control card and the drive's power card. Step-by-Step Troubleshooting Guide danfoss error 1027

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. Apply power while holding these keys for at least 5 seconds

If you are qualified to open the drive, check the ribbon cables or connectors that link the control card to the power card. A loose connection can trigger communication errors. Step-by-Step Troubleshooting Guide Because Error 1027 is an

: Using an incorrect or incompatible spare part during a previous repair.

Wait until the LCP (Local Control Panel) display turns off completely. Reconnect the power and see if the error clears. Disconnect mains power and wait for the display to go dark.