Fix anything at home without calling an expensive technician first.
“Act as an expert appliance technician with 30 years of experience.
My [Device Name – e.g., Bosch Dishwasher] is showing error [Code – e.g., E15].
1. Explain the root cause.
2. Give me a step-by-step DIY fix guide.
3. List the tools I need.
4. Tell me at which point I should stop and call a professional for safety.”