4110

Control Board Overtemperature

ABB · ACS800 Standard Firmware

What does 4110 mean?

The control board temperature has exceeded 88°C. This indicates inadequate cooling or excessively high ambient temperatures in the drive enclosure, which can lead to control board malfunction, erratic behavior, or permanent damage.

Common Causes

  • Control board internal temperature sensor indicates overheat condition.
  • Poor ventilation or blocked heatsinks on the control board.
  • High ambient operating temperature affecting the control board.
  • Excessive load or power dissipation on the control board components.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the ambient environmental conditions (temperature, humidity) around the drive enclosure to ensure they are within specification.

  2. 2

    Verify proper airflow through the drive's internal cooling channels and ensure no vents are blocked.

  3. 3

    Inspect the main cooling fan and any additional cooling fans for proper operation, cleanliness, and unobstructed rotation.

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

Related Faults

Source: ABB ACS800 Standard Firmware