Nilfisk-Advance Advance SC5000 Service Manual

44Service Manual – SC5000 04 - Control System
1-010 CAN Bus 0
Description CAN bus 0 is in bus-off state
Setting
Conditions
Main controller has no response from any other controller on
CAN0 Bus
When Monitored
Always
Possible Causes CAN0 wires open or shorted
Initial Action Reboot the machine
Troubleshooting Steps
1. Power down the machine, and unplug the main battery disconnect.
2. Disconnect the J3 connector from the main control board.
3. Check the resistance between contacts J3-11 and J3-12 of the controller harness connector.
− If the resistance is showing open-circuit, repair or replace the twisted pair wiring between the main
controller and the user interface panel.
− If the resistance is showing short circuit, proceed to step 4 to isolate the harness from the modules.
4. Disconnect the user interface connector, and recheck the resistance between J2-1 and J2-2.
− If the resistance is no longer showing short circuit, replace the battery charger.
5. Disconnect the autonomy module, and recheck the resistance between J3-11 and J3-12.
− If the resistance is no longer showing short circuit, replace the user interface panel.
− If the resistance is still showing short circuit, repair or replace the twisted pair wiring between the main
controller and the interface panel.
1-011 CAN Bus 1
Description CAN bus 1 is in bus-off state
Setting
Conditions
Main controller has no response from any other controller on
CAN1 Bus
When Monitored
Always
Possible Causes CAN1 wires open or shorted
Initial Action Reboot the machine
Troubleshooting Steps
1. Power down the machine, and unplug the main battery disconnect.
2. Disconnect the J3 connector from the main control board.
3. Check the resistance between contacts J3-9 and J3-10 of the controller harness connector.
− If the resistance is showing open-circuit, repair or replace the twisted pair wiring between the main
controller and the drive module.
− If the resistance is showing short circuit, proceed to step 4 to isolate the harness from the modules.
4. One module at a time, disconnect the TrackClean-1, Power module, and Drive module; and recheck
the resistance between J3-9 and J3-10.
− If the resistance is no longer showing short circuit, replace the specic module.
− If the resistance is still showing short circuit, repair or replace the main harness.

Nilfisk-Advance Advance SC5000 Specifications

General

Brand	Nilfisk-Advance
Model	Advance SC5000
Category	Scrubber
Language	English