... indicator.4,Charge failure, Battery low, Low pressure, High temperature, Overspeed, Underspeed, High voltage,Low voltage, Overcurrent, 5,Standby input warning.6 ... Fail to stop, Emergency stop, Low oil pressure, High temperature, Over speed, Underspeed, High voltage, Low voltage, Overcurrent, Standby output alarm and ... .8,Emergency switch with indicator lamp. Harsen GU641B Diesel generator Controller