LED

This section contains information on the device LEDs.

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The device has 3 LEDs located at the back of the enclosure as illustrated below.

The interpretation of the LEDs depends on the mode of operation. For more information on the modes, see Modes of operation.

MSD mode

LED Color	Main Function
Green	Power
Yellow	N/A
Red	MSD mode activity

Logging mode

LED Color	Main Function
Green	Power
Yellow	CAN-bus activity[1]
Red	Memory card activity

While entering logging-mode, the device reads the configuration file. The device indicates that a valid configuration file has been found by flashing the yellow LED 3 times. If no valid configuration file is found, the device creates a default file and indicates this by flashing the red LED 3 times.

DFU mode

LED Color	Main Function
Green	Permanently off
Yellow	Permanently off
Red	Permanently on

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[1]

If the device has been configured for bit-rate auto-detection, then the yellow LED remains solid on until a valid bit-rate has been detected.