# LED indicators

The FlexSystem light indicators are used to indicate if the system is running in normal mode, if a failure occurred or when it is time for service.

Status | Description | FlexCarrier | FlexController | FlexDrive | FlexDrive
--- | --- | --- | --- | --- | ---
Booting | The red and green lights are on until the software is up and running. |  |  |  |
Normal operation | A constant green light on the FlexCarrier during normal operation indicates that the power is on. |  |  |  |
Channel error | A red flashing light on the FlexDrive indicates a channel error. The green light on the FlexCarrier indicates that the power is on. |  |  |  |