ABB · ACS800 Standard Firmware
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.
Click steps to track your progress.
Check the ambient environmental conditions (temperature, humidity) around the drive enclosure to ensure they are within specification.
Verify proper airflow through the drive's internal cooling channels and ensure no vents are blocked.
Inspect the main cooling fan and any additional cooling fans for proper operation, cleanliness, and unobstructed rotation.