Screen Image

Explanation

The rear crane ECU has lost communication with the front crane ECU

Causes

• Blown fuse caused by a pinched sensor wire
• Power loss to ECU

Operator Actions

• Check and replace fuse(s)
• It is not possible to the override code to continue operation. Only the manual override button can be used to manually complete any crane movements.
• Request service

Service Tasks

• Check fuses. A blown fuse could be caused by a pinched sensor wire
• Power has been lost to the ECU, check:
  • ECU D+, Pin 28
  • ECU UE, Pin 54
  • ECU Ground, Pin 55
• Turn key switch off.
• Check CANbus continuity by measuring resistance between CAN-H and CAN-L at the diagnostic plug. 60O = good, 120 O = break in CANbus..