You can search in detail for fault codes, their causes, and solutions frequently encountered in JCB construction machinery. Learn about fault codes and their solutions related to the hydraulic system, engine, fuel system, and other important components.

JCB Construction Equipment Common Fault Codes and Solutions

Below is a list of common fault codes, their causes, and solutions for JCB construction equipment. This information will help you understand your problem and resolve simple issues.

Hydraulic System Faults

E001: High hydraulic oil temperature

Cause: Oil cooler failure, low oil level, excessive load

Solution: Check the cooler, fill oil to proper level, avoid operating the machine under excessive load

E002: Low hydraulic oil level

Cause: Leak in the hydraulic system

Solution: Refill oil level, locate and repair the leak

E003: High hydraulic oil level

Cause: Overfilling

Solution: Drain oil to the appropriate level

E034: Hydraulic oil filter clogged

Cause: Excessive filter contamination

Solution: Replace the hydraulic oil filter

E035: Low hydraulic oil filter pressure

Cause: Filter clogging, low oil level

Solution: Replace the filter, check and refill oil level

E036: High hydraulic oil filter pressure

Cause: Filter clogging

Solution: Replace the hydraulic oil filter

E053: High hydraulic oil temperature

Cause: Oil cooler failure, low oil level, excessive load

Solution: Check the cooler, fill oil level, avoid operating the machine under load

E054: Hydraulic oil cooler clogged

Cause: Cooler clogging

Solution: Clean or replace the hydraulic oil cooler

Engine Faults

E011: Low engine oil pressure

Cause: Oil pump failure, oil filter clogging, low oil level

Solution: Check and repair oil pump, filter, and level as necessary

E012: High engine oil pressure

Cause: Oil pressure regulator failure

Solution: Check and repair the pressure regulator

E030: Low oil pressure

Cause: Oil pump failure, oil filter clogging, low oil level

Solution: Check and repair oil pump, filter, and level as necessary

E031: High oil pressure

Cause: Oil pressure regulator failure

Solution: Check and repair the pressure regulator

E045: High engine idle speed

Cause: Idle speed adjustment issue

Solution: Adjust engine idle speed

E046: Low engine idle speed

Cause: Idle speed adjustment issue

Solution: Adjust engine idle speed

Electrical System Faults

E010: Electrical fault

Cause: Cable, fuse, or sensor failure

Solution: Check the electrical system and make necessary repairs

Fuel System Faults

E032: Low fuel level

Cause: Fuel tank depletion

Solution: Refill the fuel tank

E041: Fuel filter clogged

Cause: Excessive filter contamination

Solution: Replace the fuel filter

E063: Fuel water separator clogged

Cause: Fuel water separator clogging

Solution: Clean or replace the fuel water separator

Air Filter Faults

E050: Air filter clogged

Cause: Excessive filter contamination

Solution: Replace the air filter

E051: Low air filter pressure

Cause: Excessive filter contamination

Solution: Replace the air filter

E052: High air filter pressure

Cause: Excessive filter contamination

Solution: Replace the air filter

Cooling System Faults

E060: High water temperature

Cause: Cooling system failure, low water level, excessive load

Solution: Check cooling system, fill water level, avoid operating the machine under load

E061: Low water level

Cause: Coolant leak

Solution: Refill water level, locate and repair the leak

E062: High water level

Cause: Overfilling

Solution: Drain water to the appropriate level

E064: High oil cooler temperature

Cause: Cooler failure, low oil level, excessive load

Solution: Check the cooler, fill oil level, avoid operating the machine under load

E065: Oil cooler clogged

Cause: Cooler clogging

Solution: Clean or replace the oil cooler

Transmission Faults

E070: High transmission oil temperature

Cause: Oil cooler failure, low oil level, excessive load

Solution: Check the cooler, fill oil level, avoid operating the machine under load

E071: Low transmission oil level

Cause: Leak in the transmission system

Solution: Refill oil level, locate and repair the leak

E072: High transmission oil level

Cause: Overfilling

Solution: Drain oil to the appropriate level

E073: Transmission oil filter clogged

Cause: Excessive filter contamination

Solution: Replace the transmission oil filter

E074: Low transmission oil filter pressure

Cause: Filter clogging, low oil level

Solution: Replace the filter, check and refill oil level

E075: High transmission oil filter pressure

Cause: Filter clogging

Solution: Replace the transmission oil filter

Control System Faults

E024: Brake switch fault

Cause: Brake switch malfunction

Solution: Check and replace the brake switch

E080: Left joystick fault

Cause: Left joystick malfunction

Solution: Check and repair or replace the left joystick

E081: Right joystick fault

Cause: Right joystick malfunction

Solution: Check and repair or replace the right joystick

E082: Left foot control fault

Cause: Left foot control malfunction

Solution: Check and repair or replace the left foot control

E083: Right foot control fault

Cause: Right foot control malfunction

Solution: Check and repair or replace the right foot control

E084: Left arm control fault

Cause: Left arm control malfunction

Solution: Check and repair or replace the left arm control

E085: Right arm control fault

Cause: Right arm control malfunction

Solution: Check and repair or replace the right arm control

E090: Left steering fault

Cause: Left steering system malfunction

Solution: Check and repair the left steering system

E091: Right steering fault

Cause: Right steering system malfunction

Solution: Check and repair the right steering system

E092: Steering drive motor fault

Cause: Steering drive motor malfunction

Solution: Check and repair or replace the steering drive motor

Safety System Faults

E100: Safety latch disengaged

Cause: Safety latch is disengaged

Solution: Engage the safety latch

E111: Cabin safety lock fault

Cause: Cabin safety lock malfunction

Solution: Check and repair the cabin safety lock

Other Faults

E120: Left cheek control fault

Cause: Left cheek control malfunction

Solution: Check and repair or replace the left cheek control

E121: Right cheek control fault

Cause: Right cheek control malfunction

Solution: Check and repair or replace the right cheek control

E130: Left mirror control fault

Cause: Left mirror control malfunction

Solution: Check and repair or replace the left mirror control

E131: Right mirror control fault

Cause: Right mirror control malfunction

Solution: Check and repair or replace the right mirror control

E140: Windshield system fault

Cause: Windshield system malfunction

Solution: Check and repair the windshield system

Important Note: This information is intended as a general guide. For complex or recurring issues, please contact your nearest JCB authorized service center for your safety and the health of your machine. Our expert technicians will professionally resolve your issue.