door isn’t properly closed. A dishwasher may refuse to operate because its door isn’t latched. An oven may be set incorrectly. An air conditioner may be in a mode that doesn’t produce the result you expect.
Before assuming there’s a mechanical failure, take a moment to check the controls and display.
If an error code appears, write it down.
That code can often provide a useful clue about the problem.
4. Clean Filters and Vents
Many household appliances rely on unobstructed airflow.
A dirty filter or blocked vent can cause
