⚠️ This is a . Do not simply clear the alarm and restart without investigation.

drive. He expected the usual suspects—maybe a Phase Loss (Alarm 4) or perhaps an Earth Fault (Alarm 14) from a damp motor cable. Instead, the screen stared back with four cold digits:

On a , "Error 1027" (or Alarm 1027) typically indicates an overvoltage fault . This occurs when the voltage entering the drive or the internal DC bus voltage exceeds safe operational limits, often leading to an immediate trip to protect internal components. 🛠️ Common Causes & Fixes

If the basic troubleshooting steps do not resolve the issue, you may need to perform more advanced troubleshooting steps, such as:

For more detailed technical specifications, you can refer to the official Danfoss VLT Troubleshooting Guide or the Solis Service Center documentation for specific inverter variants.