Cycle power to the drive and press the “Reset” key to clear the alarm.
: A report value of 1027 often necessitates a new power card or control card.
What the drive was (starting, running, or idling) when the error occurred. Danfoss VLT LD 302 HDR-V2 - IBA Lift danfoss error 1027
When this error is triggered, the drive signals that it has stopped receiving valid telegrams (data packets) from the master controller (PLC or SCADA system) within a predetermined time window.
Disclaimer: This guide is for general troubleshooting. Always refer to your specific Danfoss product manual and consult a qualified electrician or technician before servicing the drive. Cycle power to the drive and press the
If the drive is critical to your process and you have a spare control card of the same revision, you can attempt a swap – but 1027 often involves the main power board, not just the card.
Seeing on your Danfoss VFD can be intimidating, but don’t panic. This error indicates an internal hardware fault within the drive’s control card or power components. It is a critical error that usually requires drive repair or replacement, but there are a few steps you can take before calling for service. Danfoss VLT LD 302 HDR-V2 - IBA Lift
For (MCA 104): Red “Mod” LED means network timeout.