JCB Construction Equipment Fault Codes: Common Faults, Causes, and Solutions


JCB construction equipment is known for its powerful performance; however, you may occasionally encounter fault codes. These codes help you understand which system of your machine is experiencing a problem. In this article, you can find common fault codes in JCB construction equipment, their causes, and possible solutions. Explanations cover a wide range, from the hydraulic system to the engine, fuel system, and electrical circuits.


JCB Construction Equipment Common Fault Codes


1. Hydraulic System Faults


E001: High Hydraulic Oil Temperature

Cause: Malfunction of the oil cooler, low oil level, or machine operating under excessive load.

Solution: Check the oil cooler, refill hydraulic oil, and avoid overloading.


E002: Low Hydraulic Oil Level

Cause: There may be an oil leak in the system.

Solution: Refill oil, identify and repair any leak points.


E034: Hydraulic Oil Filter Blocked

Cause: Filter is excessively dirty.

Solution: Replace the hydraulic oil filter.


E054: Hydraulic Oil Cooler Blocked

Cause: Cooler may be clogged.

Solution: Clean the cooler or replace if necessary.


2. Engine Faults


E011: Low Engine Oil Pressure

Cause: Oil pump failure, clogged oil filter, or low oil level.

Solution: Check and clean or replace the oil pump and filter, refill oil level.


E045: High Engine Idle Speed

Cause: Idle speed adjustment may be incorrect.

Solution: Adjust the idle speed to the proper level.


3. Fuel System Faults


E032: Low Fuel Level

Cause: Fuel tank may be empty.

Solution: Fill the fuel tank.


E041: Fuel Filter Blocked

Cause: Filter may be dirty.

Solution: Replace the fuel filter.


E063: Fuel Water Separator Blocked

Cause: Fuel water separator may be clogged.

Solution: Clean or replace the separator.


4. Electrical System Faults


E010: Electrical Fault

Cause: Problems may occur in cables, fuses, or sensors.

Solution: Check the electrical system and repair or replace faulty components.


5. Air Filter Faults


E050: Air Filter Blocked

Cause: Filter is excessively dirty.

Solution: Replace the air filter.


6. Cooling System Faults


E060: High Water Temperature

Cause: Fault in the cooling system, low water level, or excessive load.

Solution: Check the cooling system, refill water level, and avoid overloading.


E065: Oil Cooler Blocked

Cause: Oil cooler may be clogged.

Solution: Clean or replace the oil cooler.


7. Transmission Faults


E070: High Transmission Oil Temperature

Cause: Oil cooler malfunction, low oil level, or excessive load.

Solution: Check the cooler and refill oil level.


E073: Transmission Oil Filter Blocked

Cause: Filter may be dirty.

Solution: Replace the filter.


8. Control System Faults


E080 - E085: Joystick and Lever Control Faults

Cause: Hardware faults in the joystick or lever control.

Solution: Repair or replace the faulty control.


E090 - E092: Steering System Faults

Cause: Fault in the steering mechanism or drive motor.

Solution: Inspect and repair or replace the relevant components.


9. Safety System Faults


E100: Safety Lock Disabled

Cause: Safety lock is inactive.

Solution: Activate the safety lock.


E111: Cabin Safety Lock Fault

Cause: Lock mechanism malfunction.

Solution: Check and repair the lock.


10. Other Faults


E130 - E131: Mirror Control Faults

Cause: Problem in mirror control systems.

Solution: Repair or replace the controls.


E140: Front Window System Fault

Cause: Problem in front window mechanism.

Solution: Inspect the system and fix the fault.


Fault codes in JCB construction equipment help identify which system of your machine has a problem. Correctly analyzing these codes ensures that faults are resolved quickly and effectively. The codes and solutions listed above cover common issues, but in some cases, professional technical support may be required.


To improve your machine’s performance and uptime, periodic maintenance and regular inspections are very important. Do not neglect basic procedures such as checking hydraulic oil levels, replacing filters, and maintaining engine oil.