Unknown Drive Rating

What does InF1 mean?

The drive has detected an unknown drive rating. This implies a critical internal inconsistency where the drive cannot identify its own power or voltage characteristics, preventing safe and proper operation. This usually points to an internal hardware issue.

Complete Troubleshooting Guide

1. 1

   Power cycle the drive.

2. 2

   Perform a factory reset to attempt to restore internal calibration data.

3. 3

   If the fault persists, it indicates an internal hardware fault, likely requiring replacement of the control board or the entire drive unit.