Task overload

What does 6481 mean?

An internal fault where the drive's processor is experiencing an overload of its internal tasks. This indicates a critical condition where the drive cannot maintain its real-time operations and cannot be reset normally. Continued operation is impossible and typically points to a fundamental software or hardware issue.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Contact your local ABB representative immediately, as this often points to a fundamental hardware or low-level software issue requiring expert analysis.