F6

Motor Stalled

Allen-Bradley · PowerFlex 4 Adjustable Frequency AC Drive

What does F6 mean?

A motor stalled fault occurs when the motor's speed drops significantly while the drive is commanding output, indicating an excessive mechanical load. This causes the drive's output current to exceed the limit set by parameter A089 [Current Limit].

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Verify parameter A089 [Current Limit] is set appropriately for the motor and application, ensuring it does not exceed the drive's capacity (DriveAmps * 1.8).

Source: Allen-Bradley PowerFlex 4 Adjustable Frequency AC Drive
Open Manual (Page 15)