Reference material
Troubleshooting checklist
| Done | Check |
|---|---|
| □ | Record exact symptom/event code |
| □ | Measure source voltage |
| □ | Measure both sides of protection |
| □ | Measure load voltage under load |
| □ | Compare battery vs device voltage |
| □ | Inspect temperature and connections |
| □ | Isolate branches one at a time |
| □ | Change one variable at a time |