| Last | Next | |
| Unit Check | 9/425/1718 | 5/1/1819 |
| Battery Replacement | 11/4/15 | 9/1/19 |
| Pads Replacement | 3/20/19 | 5/31/21 |
Note: If an AED unit is beeping, it should tell you what the problem is. If not, press on the i-button and it should state what the problem is. It is usually pads not locked in place or battery issues.
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