Jungheinrich diesel forklifts have a diagnostic system that helps identify faults using error codes.
Here’s a list of common error codes and their general solutions. Note that specific error codes and troubleshooting steps may vary by model. It’s always best to consult the forklift’s manual or contact Jungheinrich support for precise solutions.
Common Jungheinrich Diesel Forklift Error Codes and Solutions
1. Error Code: E30 – Engine Overheat
Cause: The engine temperature is too high.
Solution:
Check the coolant level and refill if needed.
Inspect the radiator for any clogs or debris.
Ensure the cooling fan is functioning properly.
Avoid heavy loads or prolonged operation without breaks.
2. Error Code: E43 – Low Battery Voltage
Cause: Battery voltage is below the required level.
Solution:
Check and charge the battery.
Inspect the battery terminals for corrosion or loose connections.
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Replace the battery if it no longer holds a charge.
3. Error Code: E50 – Fuel System Error
Cause: A problem in the fuel injection system.
Solution:
Check for fuel blockages and inspect fuel lines.
Replace the fuel filter if necessary.
Ensure that the fuel tank has clean, uncontaminated fuel.
Contact a technician if the issue persists.
4. Error Code: E71 – Hydraulic Oil Overheat
Cause: Hydraulic oil temperature is too high.
Solution:
Allow the machine to cool down if the oil has overheated.
Inspect hydraulic fluid levels and refill as needed.
Check for any blockages or leaks in the hydraulic system.
Ensure proper ventilation around the hydraulic components.
5. Error Code: E110 – Accelerator Pedal Error
Cause: Malfunction in the accelerator pedal sensor or wiring.
Solution:
Inspect the accelerator pedal sensor and related wiring for damage.
Restart the forklift to see if the error clears.
Replace the accelerator pedal.
