Code 2563 - Danfoss Vlt Error

Identify any installed Fieldbus or I/O expansion boards sitting in Slot A or Slot B.

After replacement, you may need to set motor nameplate data (P 1-20 to 1-25) and re-commission application parameters.

: The boost control position sensor itself may be faulty due to heat or internal degradation. Danfoss Vlt Error Code 2563

: Occasionally, a software-level conflict within the drive's operating system can misinterpret internal data as a measurement error. Troubleshooting Steps for Error 2563

| Problem | Solution | | :--- | :--- | | | Implement a preventive maintenance schedule (clean heat sinks every 3-6 months). Install cabinet air filters. | | Undersized fan | Replace with Danfoss OEM fan kit. Third-party fans often have lower CFM ratings. | | High ambient temp | Install cabinet air conditioning, vortex cooler, or forced exhaust fan with filtered intake. | | Excess load | Use a larger VLT drive (next frame size). Consider a motor upgrade if running continuously above FLA. | | High switching frequency | Reduce to minimum acceptable level (e.g., 3 kHz). Enable “Automatic Derating” (Par 14-01). | | Poor cabinet layout | Re-rack drives per Danfoss spacing guidelines (typically 100mm above/below, 50mm sides). | Identify any installed Fieldbus or I/O expansion boards

In the Danfoss VLT ecosystem—which includes popular models like the , FC 202 (Aqua) Go to product viewer dialog for this item. , and FC 302 (AutomationDrive) Go to product viewer dialog for this item.

: One channel registers an active safety command while the other does not. : Occasionally, a software-level conflict within the drive's

Before the drive fully trips, operators may notice: