| LED | Function | ||||||
|---|---|---|---|---|---|---|---|
| Address | Color | Power source voltage | Use | Fuse | Lighting | Off | Blinking |
| LED1 | Green | 3.3V | Confirming download status | - | One of the followings;
| Normal | - |
| LED2 | Red | 3.3V | Confirming machine status | - | One of the followings;
| - | Blinking in cycles of 1 second: Normal Blinking in cycles of 0.5 second: Abnormal |
| LED3 | Green | 3.3V | Confirming download status | - | Writing the data via the download cable | Normal | |
| LED4 | Red | 3.3V | Confirming download status | - | Writing the data via the download cable | Normal | - |