| Light | Colour | Mode | Zone Status | User Action |
| Power | Blue • | Solid | Unit startup | Wait. If no SD card is present, the unit will not boot and will show a continuous blue light. |
| Blue • | Flashing | The unit is unpacking a system.bundle file onto the SD card | Wait. | |
| Orange • | Flashing | Updating Firmware | Wait. | |
| Green • | Solid | Booting up | Wait. Once booted and the front panel controls are showing, if the unit is being used without a network a solid green light will show. |
|
| Green •/White ￮ | Flashing | The FUNC button was held at startup - a network change is taking place | See - Connecting to a Network | |
| Green • | Flashing | Searching for IP address | Wait. | |
| White ￮ | Solid | Unit on, network connection good, IP address assigned | Ready to use. | |
| Red • | Solid | Software Fault | The unit has encountered an unrecoverable error. Please contact your distributor for support. | |
| Magenta • | Solid | Software Fault | Webapp has encountered an unrecoverable error. Please contact your distributor for support. | |
| Cyan • | Solid | Front Panel Control Disabled | Front panel lockout has been enabled. Disable in WebApp Settings > System > Settings. | |
| Protect | Red • | Solid | System fault - audio will not pass on affected channel | Power down, investigate fault |
| Temp | Red • | Solid | Unit is overheating | Power down, clean fan filters |
| Clip | Red • | Solid or Flashing | Audio signal overload | In WebApp, check sources and outputs for excessive volume and turn down as appropriate. |
*Protect, Temp and Clip LEDs feature on Zone4P and Zone8P only