Danfoss · VLT AutomationDrive FC 301/302
An error occurred during the copying of data in RAM (Random Access Memory). This suggests a memory integrity problem or a transient issue within the drive's internal data handling.
Click steps to track your progress.
Power cycle the drive by disconnecting mains voltage (L1, L2, L3) for at least 60 seconds.
Verify the stability of the internal 3.3VDC and 5VDC power supplies feeding the memory ICs.
Update the drive firmware to the latest available version to address potential memory management bugs.
Perform a factory reset via Parameter P14-22 (Reset options) set to 2 (Load LCP defaults) to clear corrupted memory states.
Ensure proper cooling and verify ambient temperature within the control cabinet is within specified limits.