Know what you can inspect and what you should stop
Know where owner checks stop and professional work begins
- ✕Do not open electrical panels or gas-train assemblies.
- ✕Do not drain a pool more than a few inches without knowing groundwater conditions.
- ✕Do not ignore gas odor, scorch marks, or breaker trips.
Fault codes and error messages / Equipment model family
DIY the safe observations and records
You can safely check these things yourself. No tools required beyond your eyes and a phone for photos.
Stop at gas, live electrical, structural, drain-cover, and major leak work
These situations are not emergencies yet, but they need professional attention. Document everything and call a pro.
Photograph and label before calling
These are not DIY. Stop what you are doing and call a qualified service professional.
Hand the pro a clean summary
Give service the facts they need.
Resources (6)
Codes and standards playbook
Start here when the question is really about code, entrapment safety, or AHJ involvement.
Manual library
Pull the correct family docs before deciding whether a task is owner-safe or service-only.
Electrical safety playbook
Use the electrical guide when the hazard involves GFCIs, underwater lights, wet equipment, or shock risk.
Electrical and bonding owner checks
Use the owner-check page when you only need a visual inspection of GFCIs, bonding, conduit, corrosion, or pad wiring.
Chemical safety and storage playbook
Use the chemical safety guide when the issue involves fumes, spills, segregation, or dosing hardware.
Do Not Do This
Use the failure-pattern library when the bad choice is still owner-safe to identify but not safe to execute.