Cause : LOW SPEED OVER I comes when the motor is drawing too much current (>100%) at zero output frequency. This typically occurs when the motor is attempting to start or operate at very low speeds under heavy load conditions.

LOW SPEED OVER I fault in parker AC690 drive indicate that the motor is drawing excessive current (more than 100% of its rated current) at a zero output frequency.

• FIXED BOOST and/or AUTO BOOST set too high.