← All safe checklistsSAFE CHECKLIST
For combustion or carbon-monoxide warning
Treat alarms, symptoms, soot, spillage or fuel odor as urgent safety signals and follow emergency and appliance guidance.
1 complete sequence2 boundary questions
01Secure people and stop active hazards
02Capture time-stamped evidence
03Run only bounded non-destructive checks
04Choose owner, timing and verification
THE COMPLETE CHECKLIST
Use the sequence without turning it into permission.
Safe checklistFor combustion or carbon-monoxide warning: a safe house-symptom checklist
Treat alarms, symptoms, soot, spillage or fuel odor as urgent safety signals and follow emergency and appliance guidance. The checklist separates observation, documentation, avoid actions, stop boundaries and the next handoff.
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