Weusi,

PROCEDURE OR ACTION:
1. Turn power to OFF for no less than 30 seconds, and then to ON to clear displayed DTC.
Does reported DTC reoccur?
YES: Go to Step 2.
NO: Problem not verified. Resume operation.
2. Conduct a quick visual inspection of all connectors/wiring associated with the displayed fault code. Make sure
electrical connection is a good physical connection (i.e. sockets and pins are seated correctly; connector
"clicks" indicating locking tab works correctly).
Are any of the connectors/wiring damaged?
YES: Repair/replace connector or wiring associated with faults found. Refer to appropriate Electrical System
manual, depending on lift truck model.
NO: Go to CAUSE A.
CAUSE A - MANUAL REGENERATION.
PROCEDURE OR ACTION:
1. Perform manual regeneration process. Refer to DPF Regeneration. Clear DTC and retest system.
Was manual regeneration successful?
YES: No problems found at this time.
NO: Proceed to CAUSE B.
CAUSE B - DPF FAULT
PROCEDURE OR ACTION:
1. Clean or replace DPF. Clear DTC and retest system.
END POSSIBLE CAUSES
END FAULT


You have a DPF, diesel pariculate filter in the exhaust system. You will need to complete a regen to clear the code. Look through the operators manual for directions. Since the code is for stage 5, you will probably need to remove the PDF and have it cleaned. Good Luck.