Old Hand Fault Finder

ABB ACS580 4310: Excess temperature

What it means Power unit module temperature is excessive.

✓ Checked against the manual (Oct 2026): meaning and actions match the official fault table. Manual page.

Likely causes

  • Cooling problem
  • High ambient

Checks, in order

  1. Check ambient conditions, air flow and fans
  2. Check heatsink fins for dust

Source

Source (reworded, not copied): ABB, ACS580 Standard Control Program Firmware Manual, 3AXD50000016097 Rev J (2025-10-01), Fault tracing, PDF page 555. Official manual (PDF). Fault numbers and names can differ between firmware versions.