Group 30
Observed Symptoms
Poor Tractive Performance
POSSIBLE CAUSE
A. INCORRECT SPEED LIMIT SET.
B. SPEED LIMITING ENABLED.
C. FAILED CHECKLIST ITEM.
D. INCORRECT STEER POSITION SENSOR CALIBRATION.
E. INCORRECT MOTOR CONTROLLER SETTINGS IN CONFIGURATION DATA FILE (CDF).
F. E-BOOST ACTIVE.
G. MOTOR PHASE SHORTED TO FRAME.
H. INCORRECT MOTOR INSTALLED.
CAUSE A - INCORRECT SPEED LIMIT SET.
PROCEDURE OR ACTION:
WARNING
Unexpected movement of the lift truck can cause injury or death. Do not operate the lift truck until prob-
lem has been repaired.
1. Adjust speed limit setting on Display Panel. If problem still present go to Cause B.
CAUSE B - SPEED LIMITING ENABLED.
PROCEDURE OR ACTION:
1. Verify optional speed limiting is correctly set on Display Panel. See the appropriate User Interface, Service
Technician SRM . If problem is still present, go to Cause C.
CAUSE C - FAILED CHECKLIST ITEM.
PROCEDURE OR ACTION:
1. Review checklist history and run check as required. Lift truck will not operate correctly until all checklist item
requirements have been satisfied.
Have all checklist requirements been satisfied?
YES: Go to Cause D.
NO: Perform necessary actions to fulfill checklist requirements. If checklist requirements have been satisfied
and the problem is still present, go to Cause D.
CAUSE D - INCORRECT STEER POSITION SENSOR CALIBRATION.
PROCEDURE OR ACTION:
1. Rerun calibration procedure on the steering position sensor. Refer to the appropriate Calibration SRM .
Did re-calibrating steering position sensor resolve issue?
YES: Problem resolved. Resume operation.
NO: Go to Cause E.
Traction Motor Observed Symptoms
Check the Service Manual section in Hypass Online for possible updates and check pertinent Grams
Confidential/Proprietary - Do Not Copy or Duplicate 9025-30-1
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