1. Locate the maintenance key switch on the forklift. It is usually located on the instrument panel or near the ignition.
2. Turn the maintenance key switch to the "ON" position. This will allow you to access the diagnostic trouble codes.
3. Find the diagnostic connector on the forklift. It is usually located near the maintenance key switch.
4. Connect a diagnostic tool to the diagnostic connector.
5. Turn the ignition key to the "ON" position.
6. Follow the instructions on the diagnostic tool to clear the fault codes.
7. Turn the ignition key to the "OFF" position.
8. Disconnect the diagnostic tool from the diagnostic connector.
9. Turn the maintenance key switch to the "OFF" position.
The fault codes should now be cleared. If the fault codes reappear, you should take the forklift to a qualified service technician to have it diagnosed and repaired.