Input high voltage: Red light on
Input low voltage: Red light on
Reverse polarity protection: Red light on and buzzer (short intervals)
Reverse charging protection: Red light on and buzzer (slow & short)
Short circuit protection: Red light on and buzzer (1 long 2 short)
High temperature protection: Red light on and buzzer (rings quickly)
Start timeout protection: Red and green light on
Low voltage protection: Red light on and buzzer (1 long 2 short)
Relay adhesion alarm: Red light on and buzzer (continuous)
Ready to connect to battery: Red and green light flash alternately
JS80
ERRORS