"That doesn't make sense," Marcus snapped. "We didn't change anything. It was running fine at 1:45, and then—bang—e-stop tripped, and this code popped up."

Check for mechanical obstructions (brake locked, jammed load). Check motor cable connectivity.

The load is too heavy, the machine is jammed, or the motor is physically unable to move.

: The drive is unable to provide enough torque to move the load because limits (p0640) are set too low.