
Cat 320D Excavator Fault Codes & Growshine International's Solutions - June 14, 2025

Understanding and addressing Cat 320D excavator fault codes is crucial for maintaining optimal performance and extending the lifespan of your heavy machinery. These codes act as vital indicators, pinpointing specific issues within your Caterpillar 320D excavator's intricate systems. From minor sensor glitches to major component failures, recognizing these codes quickly allows for timely intervention, preventing more significant damage and costly downtime. At Growshine International, we specialize in providing top-quality engineering machinery parts, ensuring your Cat 320D runs smoothly and efficiently. We're your trusted source for genuine Cat parts and reliable excavator spares, from hydraulic pumps to engine components and electrical control units.
Cat 320D Excavator Fault Code List
| Fault Code | Description (Chinese) | Description (English) |
|---|---|---|
| 00 | 数据有效,但高于正常运行值 | Data valid, but above normal operating range |
| 01 | 数据有效,但低于正常运行值 | Data valid, but below normal operating range |
| 02 | 信号错误(数据不稳定、间断或有错误) | Signal error (data unstable, intermittent, or incorrect) |
| 03 | 电压高于正常值 | Voltage above normal |
| 04 | 电压低于正常值 | Voltage below normal |
| 05 | 电流低于正常值 | Current below normal |
| 06 | 电流高于正常值 | Current above normal |
| 07 | 机械系统反应不正常 | Mechanical system not responding normally |
| 08 | 信号异常(频率、脉冲宽度或周期异常) | Abnormal signal (frequency, pulse width, or period abnormal) |
| 9 | 更新异常 | Abnormal update |
| 10 | 变化速率异常 | Abnormal rate of change |
| 11 | 不能识别故障模式 | Failure mode not identifiable |
| 12 | 设备或部件损坏 | Device or component damaged |
| 13 | 校准失败 | Calibration failed |
| 14 | 平行计量故障 | Parallel metering fault |
| 15 | 平行计量故障 | Parallel metering fault |
| 16 | 平行计量无效 | Parallel metering invalid |
| 17 | 模组(程序)没有回应 | Module (program) not responding |
| 18 | 传感器电源故障 | Sensor power supply failure |
| 19 | 接收网络数据错误 | Network data reception error |
| 20 | 平行计量故障 | Parallel metering fault |
| 0041 | 8V电源 | 8V Power Supply |
| 0096 | 燃油油位传感器 | Fuel Level Sensor |
| 0110 | 发动机冷却液温度传感器 | Engine Coolant Temperature Sensor |
| 0167 | 交流发电机 | Alternator |
| 0168 | 系统电源 | System Power |
| 0190 | 发动机转速传感器 | Engine Speed Sensor |
| 0246 | CAN数据线 | CAN Data Line |
| 0247 | SAE J1939数据线 | SAE J1939 Data Line |
| 0248 | 卡特 彼勒数据线 | Caterpillar Data Line |
| 0254 | 电子控制模块(ECM) | Electronic Control Module (ECM) |
| 0262 | sv传感器电源 | SV Sensor Power |
| 0271 | 报警装置 | Alarm Device |
| 0291 | 发动机冷却风扇电磁阀 | Engine Cooling Fan Solenoid Valve |
| 0362 | 发动机变速风扇控制电磁阀 | Engine Variable Speed Fan Control Solenoid Valve |
| 0374 | 回转制动电磁阀 | Swing Brake Solenoid Valve |
| 0485 | 发动机风扇复原电磁阀 | Engine Fan Recovery Solenoid Valve |
| 0544 | 发动机冷却风扇变速电磁阀 | Engine Cooling Fan Variable Speed Solenoid Valve |
| 0581 | 动力换挡压力比例电磁阀 | Power Shift Pressure Proportional Solenoid Valve |
| 0586 | 发动机油门盘 | Engine Throttle Plate |
| 0588 | 仪表显示系统 | Instrument Display System |
| 0590 | ECM | ECM |
| 0598 | 行走速度转换电磁阀 | Travel Speed Conversion Solenoid Valve |
| 0600 | 液压油温度传感器 | Hydraulic Oil Temperature Sensor |
| 0735 | 重载举升电磁阀 | Heavy Lift Solenoid Valve |
| 1129 | 右侧附件踏板传感器 | Right Attachment Pedal Sensor |
| 1130 | 左侧附件踏板传感器 | Left Attachment Pedal Sensor |
| 1160 | 液压锁止电磁阀 | Hydraulic Lock Solenoid Valve |
| 1178 | 机械超载报警压力传感器 | Mechanical Overload Alarm Pressure Sensor |
| 1522 | 2号溢流阀单向阀电磁阀 | No. 2 Relief Valve Check Valve Solenoid Valve |
| 1523 | 1号溢流阀单向阀电磁阀 | No. 1 Relief Valve Check Valve Solenoid Valve |
| 1525 | 直线行走电磁阀 | Straight Travel Solenoid Valve |
| 1590 | 主液压泵输出限制压力电磁阀 | Main Hydraulic Pump Output Limit Pressure Solenoid Valve |
| 1593 | 1号附属阀伸出压力电磁阀 | No. 1 Auxiliary Valve Extend Pressure Solenoid Valve |
| 1594 | 2号附属阀伸出压力电磁阀 | No. 2 Auxiliary Valve Extend Pressure Solenoid Valve |
| 1595 | 3号附属阀压力电磁阀 | No. 3 Auxiliary Valve Pressure Solenoid Valve |
| 1596 | 1号附属阀收回压力电磁阀 | No. 1 Auxiliary Valve Retract Pressure Solenoid Valve |
| 1597 | 2号附属阀收回压力电磁阀 | No. 2 Auxiliary Valve Retract Pressure Solenoid Valve |
| 1598 | 3号附属阀取消压力电磁阀 | No. 3 Auxiliary Valve Cancel Pressure Solenoid Valve |
| 1609 | F2模式阀回路反馈压力传感器 | F2 Mode Valve Circuit Feedback Pressure Sensor |
| 1657 | 左操纵杆顶部按钮 | Left Joystick Top Button |
| 1658 | 右操纵杆顶部按钮 | Right Joystick Top Button |
| 1665 | 1号可调压力溢流阀电磁阀 | No. 1 Adjustable Pressure Relief Valve Solenoid Valve |
| 1666 | 2号可调压力溢流阀电磁阀 | No. 2 Adjustable Pressure Relief Valve Solenoid Valve |
| 1931 | 选装回路 | Optional Circuit |
| 2265 | 泵输出压力传感器l | Pump Output Pressure Sensor 1 |
| 2266 | 泵输出压力传感器2 | Pump Output Pressure Sensor 2 |
| 2275 | 破碎锤回油路线控制(直通油箱)电磁阀 | Breaker Return Line Control (Direct to Tank) Solenoid Valve |
| 2280 | 行走报警继电器 | Travel Alarm Relay |
| 2300 | 开关面板 | Switch Panel |
Your Partner in Heavy Equipment Parts: Growshine International
At Growshine International, we are your premier partner for all your heavy equipment repair and maintenance needs. We specialize in the import and export of a comprehensive range of machinery components, including engineering machinery parts, heavy truck parts, agricultural machinery parts, and automotive parts. Our extensive inventory includes everything from Caterpillar hydraulic parts and excavator engine parts to Volvo loader axles and Komatsu dozer tracks. We understand the critical role these components play in the smooth operation of your machinery, which is why we commit to providing only durable parts and reliable parts that meet or exceed OEM specifications. Whether you're dealing with a sensor fault in your Cat 320D or need a complete hydraulic pump assembly for a different model, Growshine International is your global shipping solution for industrial parts.
Demystifying Heavy Machinery Components
To further assist our valued clients, here are explanations of various machinery components that we commonly supply:
Fuel Injector: An essential component in the engine, responsible for atomizing and injecting fuel into the combustion chamber. Example: Komatsu PC200-8 Fuel Injector (小松 PC200-8 燃油喷射器 / Топливная форсунка Komatsu PC200-8).
Hydraulic Pump: Located in the hydraulic system, it converts mechanical energy into hydraulic energy, supplying pressurized fluid to operate various functions. Example: Hitachi EX200-5 Hydraulic Pump (日立 EX200-5 液压泵 / Гидравлический насос Hitachi EX200-5).
Transmission Gearbox: Found in the drivetrain, it transmits power from the engine to the wheels, allowing for varying speeds and torques. Example: Sinotruk Howo Transmission Gearbox (中国重汽 豪沃 变速箱 / Коробка передач Sinotruk Howo).
Engine Radiator: Positioned at the front of the engine, it dissipates heat from the engine coolant, preventing overheating. Example: Caterpillar 336D Engine Radiator (卡特彼勒 336D 发动机散热器 / Радиатор двигателя Caterpillar 336D).
Steering Gearbox: Located in the steering system, it converts the rotational motion of the steering wheel into the linear motion required to turn the wheels. Example: Mercedes-Benz Actros Steering Gearbox (奔驰 Actros 转向器 / Рулевой механизм Mercedes-Benz Actros).
Air Compressor: Used in air brake systems of heavy trucks, it generates compressed air. Example: Freightliner Cascadia Air Compressor (福莱纳 Cascadia 空气压缩机 / Воздушный компрессор Freightliner Cascadia).
Track Roller: Part of the undercarriage of track-type machinery, it supports the weight of the machine and guides the track chain. Example: Doosan DX225 Track Roller (斗山 DX225 履带滚轮 / Опорный каток Doosan DX225).
Differential Assembly: Found in the axle, it allows the wheels on the same axle to rotate at different speeds, especially when turning. Example: Scania R450 Differential Assembly (斯堪尼亚 R450 差速器总成 / Дифференциал Scania R450).
Brake Caliper: Part of the braking system in vehicles, it houses the brake pads and presses them against the rotor to slow or stop the vehicle. Example: Ford F-150 Brake Caliper (福特 F-150 制动卡钳 / Тормозной суппорт Ford F-150).
Alternator: Typically located on the engine, it generates electricity to power the vehicle's electrical systems and recharge the battery. Example: John Deere 8R Alternator (约翰迪尔 8R 交流发电机 / Генератор John Deere 8R).
Comprehensive Solutions from Growshine International
Whether you're a construction company, a fleet manager, or an agricultural enterprise, Growshine International is your one-stop shop for all machinery solutions. We provide equipment parts supplier services globally, ensuring that you receive the right import export parts quickly and efficiently. Our commitment to quality means you get genuine Caterpillar parts for your Cat 320D, alongside a wide array of replacement parts for heavy machinery, truck engine components, tractor hydraulic systems, and car electrical parts. We pride ourselves on offering cost-effective machinery parts without compromising on quality, supporting your operations with everything from excavator electrical components to heavy-duty truck suspension parts and agricultural equipment drivelines. Trust us for your industrial equipment spares and vehicle maintenance parts, including loader transmission components, dozer undercarriage parts, grader blade components, forklift hydraulic cylinders, diesel engine parts supplier, heavy plant components, off-highway vehicle parts, and OEM quality replacement parts. Our aim is to minimize your downtime and maximize your productivity with our reliable machinery part solutions.
For expert advice and access to our extensive inventory of Cat 320D parts and other heavy equipment components, contact Growshine International today. We are dedicated to providing superior service and high-quality spare parts for machinery to keep your operations running at peak performance. Explore our range of Caterpillar excavator parts and discover why we are a leading machinery parts distributor for global clients.