MEC升降车平台95811-SCH维修电气原理图手册

Section 11-Control SystemApril 2022Fault CodesFault Codes,when present,appear on the LED Indicator at the UpperUpper ControlsControls station.○iLED IndicatorFaultDescriptionModelsSolutions01System Initialization FaultAll ModelsCheck the ECU.Check the platform control,wiring on platform02System CommunicationAll Modelsconnector,ECU,battery,and relay on groundFaultcontrol.03Invalid Option SettingAll ModelsReset the option code.See Service manual forinstructions.04Calibration FaultAll ModelsNeeds to be Calibrated08Key Switch ErrorAll ModelsCheck Key switch outputs10MC Communication FaultAll ModelsCheck connections at motor controller12Chassis Up or Down SwitchAll ModelsCheck the wiring on toggle switch,and the toggleON at power-up Faultswitch.18Pothole Guard FaultAll ModelsCheck the pothole board and switches.If stowed,check limit switch.31Pressure Sensor FaultMicro19Check option code.See Service manual forinstructions.32Angle Sensor FaultAll ModelsCheck wiring to angle sensor for normal voltagerange 1.9-3.8V,then check the option code.35Pressure Sensor 2 FaultAll ModelsCheck pressure sensor outputs.Replace PressureSensor.36Battery Drain AlarmAll ModelsCharge Batteries.42Left turn switch ON at power-All ModelsCheck the left steer button,and the platformupcontroller.43Right Turn Switch ON atAll ModelsCheck the right steer button,and the platformpower-upcontroller.46Joystick Enable Switch ONAll ModelsWait several seconds when turning on the lift,thenat power-upcheck the joystick dead-man switch.47Joystick not in neutral atAll ModelsCheck the joystick,and the platform controller.power-up52Drive Forward Coil FaultAll ModelsCheck the option code.See Service manual forinstructions.Page 30MMAE16-Service Parts Manual(mec)