108

Anlg Cal Chksum

Allen-Bradley · PowerFlex 750 AC Drive

What does 108 mean?

The checksum read from the analog calibration data does not match the calculated checksum, indicating corruption of critical analog input/output calibration data. This issue leads to inaccurate sensor readings or control outputs, severely impacting drive performance, accuracy, and potentially safety. Resolution typically requires hardware replacement.

Source: Allen-Bradley PowerFlex 750 AC Drive
View Official PDF