What does it mean if there’s a slow blinking red light when I close the lid? June 22, 2022 19:01 Updated This means the Engine batteries are low. Replace with two new AA alkaline batteries and try again. Related articles What does it mean if there’s a single red light flash when I close the lid? What is the Men’s Rapid Fertility Test? What should I do if there is no light when I close the lid? Why are some blood samples rejected by the lab? What is a false positive result?
