The 5000 is designed to evaporate all condensation produced. When on extremely hot and humid days if machine produces excess moisture it is normal for machine to drip from back. No, do not drill a hole. Your unit is ok.
Hi There, I would like to help you with this but I need some more information.Is the display showing any error codes? Is there a red light blinking?From what I have learned from a technician, with the weather being so hot and humid in most areas it is likely that the water bucket is full.If this is not the case, please either respond to the questions above and I will look into this further or you can contact our Customer Service department at 1-800-26 Danby for assistance.Thanks!