###### tags: `程式組教程`

# Spark Status LED Patterns

# Reference Website

[Document URL](https://docs.revrobotics.com/sparkmax/status-led)

# Table

SPARK MAX will indicate important status information on its multi-colored STATUS LED located on the top of its case. The following tables shows each state and the corresponding LED color pattern.

## Standard Operation

| Operating Mode | Idle Mode | State | Color / Pattern | Graphic |
|:--------:|:--------:|:--------:|:-----------------:| ----------------------------------------------------------------------------------------------------------- |
| Brushed | Brake | No Signal | Blue Blink |  |
| | | Valid Signal | Blue Solid |  |
| | Coast | No Signal | Yellow Blink |  |
| | | Valid Signal | Yellow Solid |  |
| Brushless | Brake | No Signal | Cyan Blink |  |
| | | Valid Signal | Cyan Solid |  |
| | Coast | No Signal | Magenta Blink |  |
| | | Valid Signal | Magenta Solid |  |
| Partial Forward | | | Green Blink |  |
| Full Forward | | | Green Solid |  |
| Partial Reverse | | | Red Blink |  |
| Full Reverse | | | Red Solid |  |
| Forward Limit | | | Green / White Blink |  |
| Reverse Limit | | | Red / White Blink |  |

## Identification, Updating, and Recovery

| Operating Mode | Color / Pattern | Graphic |
|:-------------------------------:|:-----------------------------------------------------------:|:------------------------------------------------------------------------------------------------------:|
| Device Identify | White / Magenta Fast Blink |  |
| CAN BootloaderFirmware Updating | White / Yellow Blink （v1.5.0） <br> **Green / Magenta Blink （v1.4.0）** |  |
| CAN BootloaderFirmware Retry | White/Blue Blink |  |
| USB DFU（Device Firmware Update） | Dark （LED off） |  |
## Fault Conditions

| Fault Conditions | Condition | Color / Pattern | Graphic |
| -------------- | ---------------------------------------------------------------------------------------------------------------- | ------------- | ---------------------------------------------------------------------------------------------------- |
|12V Missing| The motor will not drive if powered only by USB. This blink code warns the user of this condition. |Orange / Blue Slow Blink |  |
|Sensor Fault | This can occur if the sensor type is misconfigured, the sensor cable is not plugged in or damaged, or if a sensor other than the motor sensor is plugged in.| Orange / Magenta Slow Blink|  |
| Gate Driver Fault | A fault reported by the core internal electronic circuitry. If this code persists after power cycling the controller, contact REV.| Orange / Cyan Slow Blink|  |
|CAN Fault | The CAN fault will be shown after the first time the device is plugged into the CAN port and a fault later occurs. Check your CAN wiring if you see this fault. | Orange / Yellow Slow Blink |  |
| Corrupt Firmware（Recover using Recovery Mode） | Firmware failed to load. | Dark （LED off） |  |