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The table lists initialization, communication, option setting, switch states at power-up, pothole guard, sensor faults, drive and lift coil faults, steering and joystick enable/neutral conditions, pressure/angle related errors, motor controller protection faults, voltage issues, and brake coil/release switch anomalies. Each entry provides targeted inspection steps and typical remedies like wiring checks, option code reset, cycling power, letting motors cool, and replacing the motor controller or brake release switch.","| Fault | Description | Models | Solutions |\n| --- | --- | --- | --- |\n| 01/10 | System Initialization Fault | All Models | Check the ECU. |\n| 02/20 | System Communication Fault | All Models | Check the platform control, wiring on platform connector, ECU, battery, and relay on ground control. |\n| 03 | Invalid Option Setting | All Models | Reset the option code. See Service manual for instructions. |\n| 12 | Chassis Up or Down Switch ON at power-up Fault | All Models | Check the wiring on toggle switch, and the toggle switch. |\n| 18 | Pothole Guard Fault | All Models | Check the pothole board and switches. If stowed, check limit switch. |\n| 31 | Pressure Sensor Fault | Micro 19 | Check option code. See Service manual for instructions. |\n| 32 | Angle Sensor Fault | All Models > 2020 With Overload | Check wiring to angle sensor for normal voltage range \u003C 2020, 1.9-3.8V, then check the option code. |\n| 42 | Left turn switch ON at powerup | All Models | Check the left steer button, and the platform controller. |\n| 43 | Right Turn Switch ON at power-up | All Models | Check the right steer button, and the platform controller. |\n| 46 | Joystick Enable Switch ON at power-up | All Models | Wait several seconds when turning on the lift, then check the joystick dead-man switch. |\n| 47 | Joystick not in neutral at power-up | All Models | Check the joystick, and the platform controller. |\n| 52 | Drive Forward Coil Fault | All Models | Check the option code. See Service manual for instructions. |\n| 53 | Drive Reverse Coil Fault | All Models | Check the option code. See Service manual for instructions. |\n| 54 | Lift Up Coil Fault | All Models | Check the lift solenoid and wiring. |\n| 55 | Lift Down Coil fault | All Models | Check the down solenoid and wiring, and the scissor harness for crushed or pinched wires. |\n| 56 | Right Turn Coil Fault | All Models | Check the right steering solenoid and wiring. |\n| 57 | Left Turn Coil Fault | All Models | Check the left steering solenoid and wiring. |\n| 58 | General Brake Coil Fault-Brakes about 46 ohms | All Models | Check the brake module and wiring, brakes and wiring, and the battery voltage. |\n| 60 | Motor Controller Fault | All Models | Replace the motor controller. |\n| 61 | Motor Controller Sensor Fault | All Models | Check the drive motor and wiring, and the drive motor controller and wiring. |\n| 62 | Motor Controller Hardware Failsafe Fault | All Models | Cycle power, then replace the Motor Controller. |\n| 63 | Motor Controller Output Fault | All Models | Check the drive motor and wiring for shorts, and the drive motor controller and wiring. |\n\n\n| 64 | Motor Controller SRO Fault | All Models | Replace motor controller |\n| --- | --- | --- | --- |\n| 65 | Motor Controller Throttle Fault | All Models | Replace motor controller |\n| 66 | Motor Controller Emergency Reverse Fault | All Models | Replace motor controller |\n| 67 | Motor Controller HPD Fault | All Models | Replace motor controller, check contactor, replace ECU. |\n| 68 | Low Voltage Fault | All Models | Check battery voltage and charge batteries if necessary, check battery connections, connection from ECU to PCU, then the voltage to the ECU and PCU. |\n| 69 | High Neutral Current Fault | All Models | Motor seized-This message comes just before other faults but should be ignored in those cases. |\n| 70 | Steer Input Out of Range | All Models | Check for loose wires on motor controller, replace motor controller. |\n| 71 | Motor Controller Main Contactor Fault | All Models | Check wiring to contactor, white and black wire could be off, check drive motor and wiring, and motor controller and wiring. Replace contractor. |\n| 72 | Motor Controller Over Voltage Fault | All Models | Check battery voltage with battery charger off, cycle power to machine, replace motor controller. |\n| 73 | Motor Controller Thermal Cutback Fault | All Models | Drive/Lift Motor may be overheating so let motor cool down, cycle power to reset Motor controller, replace motor c","cbCailOmTznawRt0","https://ap.wps.com/l/cbCailOmTznawRt0","pdf",827574,2,6,"English","en",105,"# Fault Code and Description\n## Models and Affected Conditions\n## Solutions and Checks","[{\"question\":\"系统初始化或通信故障（01/10、02/20）通常如何排查？\",\"answer\":\"01/10需检查ECU；02/20需检查平台控制、平台连接器的布线、ECU、电池以及地面控制继电器。\"},{\"question\":\"遇到无效选项设置（03）该怎么办？\",\"answer\":\"重置选项代码，并参考服务手册获取正确操作步骤。\"},{\"question\":\"低电压或电压过高故障（68、72）如何处理？\",\"answer\":\"68先检查电池电压并在必要时充电、确认电池连接以及ECU到PCU的连接，再测量ECU/PCU电压；72需断充电器后检测电池电压，给设备循环上电，然后更换电机控制器。\"}]","车辆系统故障代码 - 故障排查表 | PDF",1788388854,{"code":4,"msg":31,"data":32},"ok",{"site_id":25,"language":24,"slug":33,"title":14,"keywords":34,"description":15,"schema_data":35,"social_meta":86,"head_meta":88,"extra_data":90,"updated_unix":29},"vehicle-system-fault-codes-troubleshooting-table","",{"@graph":36,"@context":85},[37,53,68],{"@type":38,"itemListElement":39},"BreadcrumbList",[40,44,47,50],{"item":41,"name":42,"@type":43,"position":11},"https://docshare.wps.com","Home","ListItem",{"item":45,"name":46,"@type":43,"position":21},"https://docshare.wps.com/template/","Template",{"item":48,"name":13,"@type":43,"position":49},"https://docshare.wps.com/template/general/",3,{"item":51,"name":14,"@type":43,"position":52},"https://docshare.wps.com/template/vehicle-system-fault-codes-troubleshooting-table/188350/",4,{"url":51,"name":14,"@type":54,"author":55,"headline":14,"publisher":57,"fileFormat":60,"inLanguage":24,"description":15,"dateModified":61,"datePublished":62,"encodingFormat":60,"isAccessibleForFree":63,"interactionStatistic":64},"DigitalDocument",{"name":9,"@type":56},"Person",{"url":41,"name":58,"@type":59},"DocShare","Organization","application/pdf","2026-09-06","2026-09-02",true,{"@type":65,"interactionType":66,"userInteractionCount":21},"InteractionCounter",{"@type":67},"ViewAction",{"@type":69,"mainEntity":70},"FAQPage",[71,77,81],{"name":72,"@type":73,"acceptedAnswer":74},"系统初始化或通信故障（01/10、02/20）通常如何排查？","Question",{"text":75,"@type":76},"01/10需检查ECU；02/20需检查平台控制、平台连接器的布线、ECU、电池以及地面控制继电器。","Answer",{"name":78,"@type":73,"acceptedAnswer":79},"遇到无效选项设置（03）该怎么办？",{"text":80,"@type":76},"重置选项代码，并参考服务手册获取正确操作步骤。",{"name":82,"@type":73,"acceptedAnswer":83},"低电压或电压过高故障（68、72）如何处理？",{"text":84,"@type":76},"68先检查电池电压并在必要时充电、确认电池连接以及ECU到PCU的连接，再测量ECU/PCU电压；72需断充电器后检测电池电压，给设备循环上电，然后更换电机控制器。","https://schema.org",{"og:url":51,"og:type":87,"og:title":14,"og:site_name":58,"og:description":15},"article",{"robots":89,"canonical":51},"index,follow",{"doc_id":7,"site_id":25},{"code":4,"msg":5,"data":92},[93,98,103,108,113,118,123,128,133],{"id":94,"doc_module":11,"doc_module_name":46,"category_name":95,"show_sort_weight":96,"slug":97},11,"Presentations",90,"presentations",{"id":99,"doc_module":11,"doc_module_name":46,"category_name":100,"show_sort_weight":101,"slug":102},12,"Resumes",80,"resumes",{"id":104,"doc_module":11,"doc_module_name":46,"category_name":105,"show_sort_weight":106,"slug":107},14,"Invoices",70,"invoices",{"id":109,"doc_module":11,"doc_module_name":46,"category_name":110,"show_sort_weight":111,"slug":112},15,"Posters",60,"posters",{"id":114,"doc_module":11,"doc_module_name":46,"category_name":115,"show_sort_weight":116,"slug":117},16,"Social Media",50,"social-media",{"id":119,"doc_module":11,"doc_module_name":46,"category_name":120,"show_sort_weight":121,"slug":122},17,"Forms",40,"forms",{"id":124,"doc_module":11,"doc_module_name":46,"category_name":125,"show_sort_weight":126,"slug":127},18,"Letters",30,"letters",{"id":129,"doc_module":11,"doc_module_name":46,"category_name":130,"show_sort_weight":131,"slug":132},21,"Paper Templates",5,"papers-templates",{"id":12,"doc_module":11,"doc_module_name":46,"category_name":13,"show_sort_weight":4,"slug":134},"general-158"]