What you can check safely
Stop the microwave immediately. Remove metal or foil only after the appliance is off and cool; if sparking continues or the cavity coating is damaged, do not use it.
Stop the cycle immediately. Check for metal, foil, damaged cavity coating or unsuitable cookware; do not use it if sparking continues.
Stop the microwave immediately. Remove metal or foil only after the appliance is off and cool; if sparking continues or the cavity coating is damaged, do not use it.
Stop the cycle immediately. Check for metal, foil, damaged cavity coating or unsuitable cookware; do not use it if sparking continues. Other causes may be possible; a technician needs the exact brand, model and symptoms to narrow them down.
Request an inspection if the problem continues after the basic checks, repeats, shows an error code, trips power, leaks, smells burnt, or involves internal components.
This guide is general information, not a model-specific repair procedure. Error codes and user checks can differ across manufacturers and models; consult the official manual for your appliance.
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