External air pressure above set threshold (pressure alarm)
Increase the configured pressure threshold
3
320
Charge/discharge over-current protection
/
4
310
Charge/discharge short-circuit protection
/
5
202
Button fault
AW401 only: membrane button damaged
6
201
Charging communication abnormal
Restart the device
7
410
Undervoltage protection at start-up
Connect the charger
8
411
Under-voltage protection before start-up
Connect the charger
9
420
Activation of over-temperature protection
Waiting for the device to cool down
10
430
External battery voltage is greater than the device voltage
① If the displayed voltage is lower than12V, please connect the charger for charging② If the display voltage is higher than 12V, it means that the car battery voltage is too high and not suitable for this product, please use a starter power supply that supports higher voltage
