MEC升降车平台43891-SCH维修电气原理图手册

Section 11-Control SystemJuly 2020Error Indicator ReadoutIf the LED diagnostic readout displays an error code,such as LL,push in and turnthe red Emergency Stop button to reset the system.At5533FaultDescriptionModelsSolutions01/10System Initialization FaultAll ModelsCheck the ECU.02/20System CommunicationCheck the platform control,wiring on platformFaultAll Modelsconnector,ECU,battery,and relay on groundcontrol.03Invalid Option SettingAll ModelsReset the option code.See Service manual forinstructions.12Chassis Up or Down SwitchCheck the wiring on toggle switch,and the toggleON at power-up FaultAll Modelsswitch.18Pothole Guard FaultAll ModelsCheck the pothole board and switches.If stowed,check limit switch.31Check option code.See Service manual forPressure Sensor FaultMicro 19instructions.32Angle Sensor FaultAll Models 2020Check wiring to angle sensor for normal voltageWith Overloadrange 2020,1.9-3.8V,then check the optioncode.Left turn switch ON at power-All ModelsCheck the left steer button,and the platform42upcontroller.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.56Right Turn Coil FaultAll ModelsCheck the right steering solenoid and wiring.57Left Turn Coil FaultAll ModelsCheck the left steering solenoid and wiring.58General Brake Coil FaultAll ModelsCheck the brake module and wiring,brakes andBrakes about 46 ohmswiring,and the battery voltage.60Motor Controller FaultAll ModelsReplace the motor controller.61Motor Controller SensorAll ModelsCheck the drive motor and wiring,and the driveFaultmotor controller and wiring.62Motor Controller HardwareAll ModelsFailsafe FaultCycle power,then replace the Motor Controller.63Motor Controller Output FaultAll ModelsCheck the drive motor and wiring for shorts,andthe drive motor controller and wiring.Page 28Micro 13-XD-Service Parts Manual(mec)