If the GP-PWM-30-SB experiences a battery over voltage (15.5V), the controller will stop operating, and the display will begin to flash with all icons. The controller will resume operating when the error is cleared.
Icons Displayed: All symbols
If the battery voltage reaches 11 volts, the battery SOC symbol will show the text “LOW” beneath it. The controller will continue operating in this condition and will only stop operating if the voltage drops below 9 volts.
Icons Displayed: Battery SOC Symbol, LOW