8

Heatsink Overtemperature

Allen-Bradley · PowerFlex 700 AC Drives

What does 8 mean?

The heatsink temperature exceeds 100% of the [Drive Temp] threshold. This indicates that the drive's cooling system is unable to dissipate heat effectively, risking thermal damage to the power components.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Check for excess load on the motor, which would increase drive current and heat generation.

Source: Allen-Bradley PowerFlex 700 AC Drives
Open Manual (Page 85)