A kitchen exhaust fan rarely dies without warning. In most Connecticut restaurants, it sends signals for weeks or months first: a new whine on the line, a faint burnt smell after close, or a hood that no longer pulls smoke the way it did in the spring. Most owners hear these signals and assume they are normal. Then the fan trips a breaker during Friday dinner service and the line fills with smoke. Learning to read the kitchen exhaust fan warning signs CT kitchens actually pro