69

DB Resistance

Allen-Bradley · PowerFlex 700 AC Drives

What does 69 mean?

The measured resistance of the internal Dynamic Braking (DB) resistor is outside its specified operating range. This could indicate a damaged or incorrect braking resistor, preventing effective energy dissipation during deceleration. A faulty DB resistor can lead to overvoltage trips or poor braking performance.

Source: Allen-Bradley PowerFlex 700 AC Drives
Open Manual (Page 84)