MEC升降车平台96899-SCH维修电气原理图手册

Section 14-Fault CodesDecember 2024Fault CodesThe LED readout screen displays fault codes that provide information about the machineoperating status and about malfunctions.The fault codes listed in the following chartsdescribe malfunctions and can aid in troubleshooting the machine by pinpointing the areaArt_5533or component affected.List of Fault CodesCodeDescriptionLift ReactionFailure Reason SolutionSystem initialization failure if fault last more than a couple01System Initialization FaultDisables All Motionseconds.The system will prohibit all actions.Solution:1.Try to power on again.The CAN bus communication between the upperlowercontroller is faulty,and the system will prohibit all actions.1.The lower or upper communication cable isdamaged.02System Communication FaultDisables All Motion2The upper control is faulty,replace the platformcontrol box.3.Measure battery voltage.4.Check power relay.5.Replace ECU.The current model code inside the ECU is not set to thecorrect model.03Solution:Invalid Option Setting FaultDisables All Motion1.Try to reset the mode code of the correspondingmodel (for specific operation steps and model codesof each model.1.If the angle sensor calibration fails,it may be thatthe angle sensor analog output changes too littleor no change during the calibration process.Checkwhether the angle sensor is firmly fixed,whether the04Calibration FaultWarning Onlypower supply and wiring are normal.Replace theangle sensor.2.No-load/full-load calibration fails,it may be that thepressure sensor and angle sensor analog outputchanges too little or no change during the calibrationprocess,or the machine is not level.Platform/base control key switch failure or up down08Key Switch ErrorDisables All Motioncontrol switching action is too fast.1.Try to restart the power supply.2.Replace Key switch.The built-in GPS module or external GPS modulecommunication failed (if equipped).Solution:09GPS Communication FaultWarning Only1.Check whether the connection between the CANcommunication bus of the external GPS module andthe CAN bus of the machine is normal.10MC Communication FaultWarning OnlyCheck whether the wiring of the motor controller is normal,check the wiring from the controller to the drive motor.Lithium battery BMS CAN bus communication failure,onlyalarm.BMS Communication FaultSolution:11(Lithium battery equippedWarning Only1.Check whether the CAN bus communicationonly)between the lithium battery and the machine isnormal.2.Replace the lithium battery.Page 40Micro26-XD-Service Parts Manual-96899(mec)