Regenerative Brake Pre-Alarm

What does Regenerative brake pre-alarm mean?

The regenerative brake duty cycle has reached 85% or higher of the Pr. 70 (Special regenerative brake duty) setting. This is a warning that the inverter's regenerative braking capacity is nearing its thermal limit. Continuous operation at this level can lead to an overvoltage fault, damage to internal components, or overheating of the braking resistor if one is installed.