MEC升降车平台95918-SCH-A92-20维修电气原理图手册

Section 12-Fault CodesJanuary 2022Fault CodesFault Codes,when present,appear on the LED Indicator at the UpperUpper ControlsControls station.○iLED IndicatorFaultDescriptionModelsSolutions01/10System Initialization FaultAll ModelsCheck the ECU.Check the platform control,wiring on platform02/20System CommunicationAll Modelsconnector,ECU,battery,and relay on groundFaultcontrol.03Invalid Option SettingReset the option code.See Service manual forAll Modelsinstructions.12Chassis Up or Down SwitchON at power-up FaultAll ModelsCheck the wiring on toggle switch,and the toggleswitch.18Pothole Guard FaultAll ModelsCheck the pothole board and switches.If stowed,check limit switch.31Pressure Sensor FaultMicro19Check option code.See Service manual forinstructions.All Models 2020Check wiring to angle sensor for normal voltage32Angle Sensor FaultWith Overloadrange 2020,1.9-3.8V,then check the optioncode.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.53Drive Reverse Coil FaultAll ModelsCheck the option code.See Service manual forinstructions.54Lift Up Coil FaultAll ModelsCheck the lift solenoid and wiring.55Lift Down Coil faultAll ModelsCheck the down solenoid and wiring,and thescissor harness for crushed or pinched wires.Page 37SE Series Slab Scissors-Service Parts Manual(mec)