Cause : Heatsink Overheat comes when the ambient temperature is high and the heatsink temperature of the drive is more than the value set in L8-02 [Overheat Alarm Level].

1. Measure the ambient temperature.
2. Increase the airflow in the control panel.
3. Install a cooling device (cooling fan or air conditioner) to lower the ambient temperature.
4. Remove objects near the drive that are producing too much heat.