8 TROUBLESHOOTING
GB-30
Code
Possible Cause
Action
- 27
1.
Severely discharged or dead battery.
2.
Battery connections faulty.
3.
Defective traction controller
Return machine to service area. Test and inspect all
batteries and all battery connections
- 41
Traction control system overheating.
Set parking brake and allow unit to cool for several
minutes. Restart tractor. Check brake adjustment.
- 42
Machine rolling forward or backward and opposite
direction is selected.
Stop machine, set parking brake and restart
machine.
- 43
Defective traction controller.
Return to maintenance area for service.
- 44
Defective traction controller.
Return to maintenance area for service.
- 45
Defective traction controller.
Return to maintenance area for service.
- 46
1.
Short circuit from motor armature to tractor
frame.
2.
Defective controller.
Return to maintenance area for service.
- 49
Defective traction controller.
Return to maintenance area for service.
- 51
1.
Control fuse open.
2.
Defective traction controller.
Return to maintenance area for service.
- 57
Defective traction controller.
Return to maintenance area for service.
- 76
1.
Battery connector unplugged while traveling
down hill. (Regenerative braking cycle)
2.
Battery plug connection making poor contact.
3.
Main power fuse open.
Return to maintenance area for service.