flowchart TD p1("1. Check Power
is voltage present at the rail?"):::docNode p2["2. Check Continuity
unbroken path, wire by wire?"]:::docNode p3["3. Check Orientation
polarized parts installed correctly?"]:::docNode p4["4. Test the Component
swap in a known-good part"]:::docNode found("Fault Found
stop and fix it"):::resolveNode p1 -->|power OK| p2 p1 -->|no power| found p2 -->|continuous| p3 p2 -->|break found| found p3 -->|correct| p4 p3 -->|reversed| found p4 -->|part bad| found classDef docNode fill:#4A90D9,stroke:#2E6BA8,stroke-width:2px,color:#fff,font-size:16px classDef resolveNode fill:#3E9E6E,stroke:#256E4A,stroke-width:2px,color:#fff,font-size:16px linkStyle default stroke:#7A8A99,stroke-width:2px,font-size:16px

Step Details

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Check, in order
Stop here once found