Dtc 30227 Stalled - Yale MPB045VG Maintenance Manual

Diagnostic Trouble Codes
POSSIBLE CAUSE
A. ENCODER WIRING FAULT
B. FAULTY TRACTION ENCODER
C. FAULTY TRACTION MOTOR
D. FAULTY TRACTION CONTROLLER
COMPONENT OPERATIONAL CHECK
PROCEDURE OR ACTION:
1. Remove cover from truck frame. Inspect transmission and tire for obstructions or binding.
Is object impeding steering motor?
YES: Remove object; clear code and verify repair.
NO: Proceed to Step 2.
NOTE: Use caution when performing the following test. The traction controller and brake will be OFF.
2. With key in OFF position, locate the brake override connectors on left and right side of traction motor.
Disconnect CRP04-B and CRP04-A, connect CRP04-B to the electromagnetic brake connector. Move the
truck back and forward and move handle side to side.
Does truck move and rotate freely?
YES: Connect CRP04-B AND CRP04-A and proceed to Step 3.
NO: Inspect transmission.
3. Conduct a visual inspection of all connectors/wiring associated with the fault code.
Are any faults detected/observed?
YES: Repair/replace connector or wiring associated with faults found. Refer to the appropriate Electrical
SystemYRM .
NO: Proceed to Step 4.
4. Re-key the vehicle.
Is the code still present?
YES: Proceed to CAUSE A.
NO: Problem may be intermittent.
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
9030-20-48
Please refer to the end of this procedure for supporting diagrams.
DTC 30227
Stalled
NOTE
Confidential/Proprietary - Do Not Copy or Duplicate
ELECTRICAL SYSTEM