79
Excessive Load
Allen-Bradley · PowerFlex 700 AC Drives
What does 79 mean?
The motor did not come up to speed in the allotted time during an autotune procedure. This indicates the motor or connected load is preventing the autotune from completing successfully, potentially due to high friction or an oversized load.
Source: Allen-Bradley PowerFlex 700 AC Drives
Open Manual (Page 85)