10.84 10.84 Electrical Electrical systemsystem
Subinfo: CAN watchdog time-out. e512Subinfo: CAN watchdog time-out. e512
10.10.16.316.3 E97E97, E98, E98. Driv. Drive syse system stem stopptopped/ Hed/ Hydraydrauliulicscs
stoppedstopped
Subinfo: Controller not respondingSubinfo: Controller not responding
The fault arises when the regulator hasThe fault arises when the regulator has
not received any control message fromnot received any control message from
the Athe ATC under a perTC under a period exceeding 70iod exceeding 70
milliseconds.milliseconds.
Does the same fault occur on moreDoes the same fault occur on more
than one regulator across the CAN-than one regulator across the CAN-
bus?bus?
YYeses
Check that the CAN bus is intact on allCheck that the CAN bus is intact on all
nodes.nodes.
NoNo
CChhaanngge e tthhe e rreegguullaattoorr.. CChheecck k tthhe e ffuunnccttiioon n oof tf thhe e AATTCC..
Change the regulatChange the regulator.or.
Drive motor system. This first stepDrive motor system. This first step
only applies for trucks with fly by wionly applies for trucks with fly by wirere
steering.steering.
Check that it is not the alarm to theCheck that it is not the alarm to the
electric servo system that has activatedelectric servo system that has activated
and caused a break to the regulator.and caused a break to the regulator.
See “E05, E06, E07, Electric servo -See “E05, E06, E07, Electric servo -
fly by wifly by wire” on pare” on pagege 82.82.
Check the CAN bus cables andCheck the CAN bus cables and
terminations betterminations between the ATC andween the ATC and
motor regulator extremely carefully.motor regulator extremely carefully.
The most probable cause is a break onThe most probable cause is a break on
one of the four CAN bus wires.one of the four CAN bus wires.