Yale MPB045VG Maintenance Manual page 69

ELECTRICAL SYSTEM
CAUSE D - TRACTION INTERLOCK SENSOR FAULT
PROCEDURE OR ACTION:
1. Remove helmet plate from tiller arm base. Move tiller arm up and down and observe LED light in traction
controller interlock sensor.
Does light turn OFF when tiller arm is withing operational region?
YES: Proceed to CAUSE E.
NO: Proceed to Step 2.
2. Measure distance between sensor and helmet plate.
Is helmet plate within specifications?
YES: Replace faulty sensor.
NO: Adjust sensor and torque as needed. Use Electrical System manual for reference.
CAUSE E - TILLER CONTROL CARD FAULT
PROCEDURE OR ACTION:
1. Replace tiller control card. Make sure to indicate the DTC code(s) on the warranty claim to include an
accurate problem description leading to card replacement.
CAUSE F - FAULTY TRACTION CONTROLLER
PROCEDURE OR ACTION:
1. Replace faulty handle. Make sure to indicate the DTC code(s) on the warranty claim to include an accurate
problem description leading to controller replacement.
END POSSIBLE CAUSES
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
Confidential/Proprietary - Do Not Copy or Duplicate
Diagnostic Trouble Codes
9030-20-45