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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

FF83

Fan Overtemperature

ABB · ACS800 Standard Firmware

What does FF83 mean?

The drive output filter fan has an excessive temperature. This supervision is active in step-up drives and indicates potential overheating if airflow is restricted, the fan is faulty, or ambient temperatures are too high, risking damage to the filter or drive.

Common Causes

  • Internal fan temperature exceeding operational limits.
  • Obstruction of airflow to the internal cooling fan.
  • Fan motor failure or reduced speed.
  • High ambient temperature environment impacting cooling efficiency.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Stop the drive operation immediately and allow the unit to cool down completely.

  2. 2

    Measure the ambient temperature to ensure it is within the drive's specified operating range.

  3. 3

    Verify that the fan rotates in the correct direction and that air flows freely through the cooling fins and vents.

Browse all codes in this manual (33)
Verified technical data. Last updated: April 2026

Related Faults

2211Current Measurement Failure2330Earth Fault / Current Unbalance3210DC OVERVOLT
Source: ABB ACS800 Standard Firmware
Open Manual (Page 233)Search more codes in this manual