Safety boundary

Some checks should stop before they start.

Do not continue DIY troubleshooting when electricity, uncontrolled water, heat, smoke, sharp moving parts, or a recalled product may be involved.

Emergency signs: smoke, fire, sparking, a burning smell, a hot outlet, flooding near power, violent cabinet movement, or a damaged cord. Keep clear, disconnect power only if safe, shut off water, and contact emergency or qualified service as appropriate.

Hard limits

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