4. Hardware Issues

4.1. Display screen and light language summary

Charging pile (status)	Substate	Describe	APP display	Double light board (upper light board)-Chinese and European standards	Double light board (lower light board)/single light board-national and European standards	Single light board-American standard
Idle	With ground wire No ground wire	Power on, no gun plugged in Power on, no gun plugged in	- Available - Available	Blue light is always on Blue light flashes slowly	Blue light is always on Blue light flashes slowly	Blue light is always on Red light flashes slowly (charging is not allowed without ground wire in US standard)
Ready to charge		Plug gun S1 closed	Preparing	Green light is always on	Green light is always on	Green light is always on
Reserve		S1, S2 are closed, the appointment time has not arrived, the relay is not closed, and there is no current output	Reserved	Green light flashing slowly	Green light flashing slowly	Green light flashing slowly
Charging	With ground wire No ground wire	S1, S2 closed, normal output S1, S2 closed, normal output	- Charging - Charging	Blue light is always on Green light flashes quickly	Green light flashing slowly Green light flashes quickly	Green light flashing slowly Slow flashing red light
Charging completed/full			Finished	Green light is always on	Green light is always on	Green light is always on
Emergency Stop			Faulted	Slow flashing red light	Slow flashing red light	Slow flashing red light
Charging	Leakage Overpressure Undervoltage Overcurrent Over temperature Leakage self-test abnormality CP level abnormal Relay abnormality Relay sticky Auxiliary processor exception System 12v abnormality System-12V abnormal CP-12V Error Hardware failure	- - - - - - 6V, 9V, 12V abnormal (exceeding the set threshold) - - - - - There is a negative level during PWM Internal Flash storage abnormality	- SuspendedEVSE - SuspendedEVSE - SuspendedEVSE - SuspendedEVSE - SuspendedEVSE Keep current state Not charging: Keep the current status; Charging: Finished Keep current state - Keep current state Keep current state Keep current state 12V level detection not enabled in the app: Maintain current status; 12V level detection enabled in the app: SuspendedEVSE; Not charging: Maintain current status; Charging: Finished. Keep current state	Slow flashing red light Slow flashing red light Slow flashing red light Slow flashing red light Slow flashing red light Slow flashing red light Slow flashing red light Slow flashing red light Slow flashing red light Slow flashing red light Slow flashing red light Green light flashes quickly - -	Red light flashes slowly once Red light flashes slowly 2 times Red light flashes slowly 3 times Red light flashes slowly 4 times Red light flashes slowly 5 times Red light flashes slowly 6 times Red light flashes slowly 8 times Red light flashes slowly 9 times - Red light flashes slowly 10 times Red light flashes slowly 11 times Red light flashes slowly 12 times - -	Red light flashes slowly once Red light flashes slowly 2 times Red light flashes slowly 3 times Red light flashes slowly 4 times Red light flashes slowly 5 times Red light flashes slowly 6 times Red light flashes slowly 8 times Red light flashes slowly 9 times - Red light flashes slowly 10 times Red light flashes slowly 11 times Red light flashes slowly 12 times - -
Charging pile offline, locally available			Keep current state
Other		The current charging pile is suspended automatically The current charging pile is suspended by the vehicle (S2 is disconnected)	- SuspendedEVSE - SuspendedEV