Electrical safety
Never open a microwave casing
Never remove the microwave casing or touch internal components. Keep a faulty oven out of use and arrange qualified repair.
Last reviewed: 2026-09-20
Why it matters
A microwave can retain dangerous high voltage internally after it is unplugged.
Wrong action
Opening its casing to repair it after pulling out the plug.
Correct action
Never remove the microwave casing or touch internal components.
What to do
- Limit household checks to the external steps allowed in the manual.
- Never remove the microwave casing or touch internal components.
- Keep a faulty oven out of use and arrange qualified repair.
If something happens
For serious injury, unconsciousness or difficulty breathing, keep yourself safe, call 999 and follow the operator.
Sources and review
- Hong Kong Consumer Council — Consumer Council: microwave superheating and stored high voltage
Last reviewed: 2026-09-20
This page provides general home-safety information and does not replace medical, legal, electrical, or other professional advice.