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Understand the LED colors - e355

LED lights are used to communicate the status of your terminal.

LED behavior Status
Green, blinks every 4 seconds Sleep
Red, 1HZ rate, 50% duty cycle (Battery low condition: battery voltage 3.7V) Battery Low
Red, 4Hz rate, 50% duty cycle (Battery extremely low condition: battery voltage 3.6V) Battery Extremely Low
Orange, 1Hz rate, 50% duty cycle Battery Charging
Orange, continuously on Charging Timer Fault
Green, continuously on Normal Operation
Off LEDs are turned OFF when charging the e355 on a gang charger