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The Aquaro WH-50 and its manual are made up for this course, so nobody mistakes the lesson for advice on a real product. With a real product, the same method works: describe it well, get a checklist, find the real manual, and test. Most makers publish their manuals online. A search for the make, the model and “installation manual” usually finds one.
data/aquaro-wh50-manual.mdA new customer has no hot water. The heater is an Aquaro WH-50, a make Tom has never worked on, and the screen shows E1.
The manual is long gone. The customer wants to know what is wrong and what it will cost, today.
A chat AI can help Tom think it through, if he describes the fault well and treats the answer as a list to check.
Open licence. “AI on the Job” by Alset is licensed under Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Teachers and learners may use, share and adapt it for non-commercial and educational use, with credit to Alset and a link to academy.alset.app. All people, firms and figures in the lessons are made up.