Danfoss Vlt Error Code 2563 Page

Ensure that all (motor and control) are properly bonded at both ends with a 360-degree connection.

—error 2563 is classified as an . Specifically, this code often points to a failure in the control card or an issue where the digital signal processor (DSP) fails to receive or process essential data during power-up or operation. Danfoss Vlt Error Code 2563

Control card failure or DSP communication error. Ensure that all (motor and control) are properly

(this allows the DC link capacitors to discharge fully). Reconnect the power and check if the error persists. 2. Verify Grounding and Shielding Control card failure or DSP communication error

Fluctuations in the drive’s internal 24V DC supply can cause the control card to "glitch" and report an internal communication error. Troubleshooting & Fixing Error 2563

Check that the drive and motor are grounded to a common, low-impedance ground point. 3. Inspect for Physical Damage

If the error returns immediately after a power cycle, the issue is likely physical. Danfoss Drives - Basic Troubleshooting of VLT Series Drives