Power unit: Internal overtemperature

What does A05003 mean?

This alarm signifies that the internal temperature within a chassis power unit has reached its alarm threshold. If the temperature increases by an additional 5 K, it will escalate to fault F30036, leading to a shutdown. It's crucial to address this to prevent potential damage and ensure continued operation.

Complete Troubleshooting Guide

1. 1

   Verify that the ambient temperature in the enclosure or surrounding area is within the drive's specified operating limits.

2. 2

   Inspect the cooling fan for the power unit, checking for proper operation, direction of rotation, and any blockages.

3. 3

   Ensure adequate airflow around the power unit and clear any obstructions from air vents.