If you are not using an external interlock, set the parameter to "No Operation." 4. Reset the Alarm
Errors occurring during a firmware upgrade or due to memory degradation. Step-by-Step Troubleshooting for Error 2563 Follow these steps in order to diagnose and fix the issue. 1. Perform a Power Cycle The first step is always the simplest. Turn off the mains supply to the VLT drive.
Check Parameter 5-10 to 5-15 (Digital Inputs) to confirm which input is set to "External Interlock" (typically option 6).
Observe if the number appears only during power-up or if it is accompanied by "Err." or "AL" (Alarm). Troubleshooting Next Steps If the drive is halted and displaying this number: Danfoss Vlt Error Code 2563
End of feature.
: Soften the acceleration (S-ramps) to ensure the motor can follow the curve without slipping or lagging.
Clean the connections gently with an electrical contact cleaner if necessary. If you are not using an external interlock,
Alarm 38 indicates a communication or data error between internal components, such as the control card and the power card. When this alarm occurs, the LCP (Local Control Panel) often displays a 4-digit code to help identify the exact hardware failure. Analysis of Internal Fault Code 2563
Ensure all control wiring shields are correctly tied to the grounding plates using metal spring clamps.
What is the of your drive? (e.g., FC-302, FC-102) Check Parameter 5-10 to 5-15 (Digital Inputs) to
A standard reset via the LCP ([Reset] button) will not clear a Trip Lock. You must:
The error code is not a standard system-level alarm or warning code for Danfoss VLT drives. Standard Danfoss VLT error codes typically fall within the range of 1 to 255 .