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A customer in Duluth asked why her fridge hums at night, and her guess was better than mine
Lady calls me out to a house near Lake Superior because her fridge hums louder after dark. I start checking the fan and the compressor, and she goes, "It's quieter when the dishwasher runs, does that tell you anything?" Turns out the fridge was fine, her kitchen outlet was sharing a circuit and the voltage was sagging every night. I moved the fridge to its own breaker and the hum went away. Any of you ever get a diagnostic hint from a customer that beat your own meter?
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kelly6381mo ago
Customers notice stuff we miss because they live with the thing every day. She heard the pattern before you even showed up, that's half the diagnosis right there. Had a guy tell me his lights dimmed when the AC kicked on and sure enough the panel was a mess. Half the job is just listening to what they already figured out. Your meter confirms it, but the customer hands you the map.
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