Watch for water dripping out of a tube in a place that it's never dripped before. There could be a reason for this. It's called the backup condensation line. This is your alert to unclog the primary drip line.
Want to master Microsoft Excel and take your work-from-home job prospects to the next level? Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced instruction on functions, formula, tools, and more.