Loading

The Siemens drive fault code indicates that motor has stalled or is out of step

. "The load is heavy today. The drive is timing out before the motor can overcome the inertia."

Solution: Replaced contactor and implemented weekly starter torque check. Fault 7902 eliminated.

Siemens Drive Fault Code 7902 Report

1. Overview

To minimize the risk of encountering fault code 7902 in the future: