Danfoss Error 1027 Official

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.

This error is almost always hardware-related rather than a programming mistake. The most common reasons include:

If the error persists after a power cycle and manual initialization, it is highly likely that a is required. danfoss error 1027

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.

: A physical defect in the communication bridge between the control card and the power card. If you have a similar, working Danfoss VLT

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

Apply power while holding these keys for at least 5 seconds. Note: This will erase all your custom parameters. Wait until the LCP (Local Control Panel) display

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

Press and hold the , [Main Menu] , and [OK] keys simultaneously.