Stack overflow

What does 6487 mean?

An internal fault indicating that the drive's program stack has overflowed its allocated memory. This is a severe internal software issue that prevents the drive from executing code correctly and cannot be reset by the user. It signifies a critical programming error or memory corruption.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Contact your local ABB representative immediately, as this likely requires advanced diagnostics, software re-imaging, or even hardware inspection.