... automaic start and stop.3,Voltage, Current, Frequency, Speed, Power factor, Battery voltage,oil pressure,Working counter indicator. ... Low pressure, High temperature, Overspeed, Underspeed, High voltage,Low voltage, Overcurrent, 5,Standby input warning.6,Fail to start ... pressure, High temperature, Over speed, Underspeed, High voltage, Low voltage, Overcurrent, Standby output alarm and stop protection.7 ...