The Epic Control 4E panel has a single LED light on the top right corner. Depending on the panel's alarm status, the multi-colored LED will flash blue, white or red.
| Alarm Status | AC Power LED Status | Battery Power LED Status |
| System Ready to Arm (all sensors closed) | Solid Blue | Flashing Blue |
| System Not Ready to Arm (one or more sensors open) | Solid White | Blinking White |
| Exit Delay Countdown / Armed | Solid Red | Flashing Red |
| Entry Delay Countdown / In Alarm / Armed After Alarm | Blinking Red | Blinking Red |