Interesting AI experience last week. The plumbers installed a new heat pump hot water heater. Within three minutes after starting up it issued a loud audible alarm and popped up an error message on the screen. The plumber took a picture of the screen and asked Gemini what to do. The AI came back with several paragraphs of incomprehensible nonsense, which began with taking apart the controller.
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As they began to disassemble the new heater, saw that there was an error code in the top right of the screen, 'A108'. A quick search yielded a troubleshooting protocol which clearly said that if it was a new unit, this is a critical defect, and requires returning the unit. Fortunately, there was still time in the day to replace the defective heater with a new one, no thanks to AI.