3RW44 - "Power Unit Overheated"

Overload trip of the thermal model for the power unit.
Remedy: Wait until the device has cooled down, perhaps set a lower current limit or
reduce the switching frequency (too many starts in succession).
Check whether the motor is blocked or the ambient temperature is too high in the vicinity of
the soft starter (for derating above 40 °C, refer to Chapter 10.3 "Technical Data").