I was blending with my cups and the lights are flashing on the control panel. Why? 04 January 2023 04:20 The unit has overheated. Unplug the unit for 15 minutes to allow it to cool down and rest. Related articles My NutriBullet Blender Combo is not turning on. Why? Where can I find the User Guide for my NutriBullet Blender Combo 1000/1200? How do I identify which machine I have? Will my new Easy Twist Extractor blade work with my old NutriBullet cups? What does EXTRACT mean?