Troubleshooting and fault elimination
Fault messages
Causes and remedies
12
253
EDBCSXA064 EN 3.2
RemedyCauseDescriptionFault message RemedyCauseDescription
DisplayNo.
x240 ovrTrans
Queue
"Free CAN objects" error
Overflow of the transmit request
memory
l Reduce the number of
transmit requests.
l Prolong the cycle time.
x241 ovr Receive Too many receive telegrams Reduce the number of telegrams
on the system bus (CAN).
x260 Err Node
Guard
"Life guarding event" The controller configured as CAN
slave does not receive a "Node
Guarding" telegram within the
"Node Life Time" from the CAN
master.
l Check wiring at X4.
l Check CAN configuration.
l Make sure that "Node
Guarding" has been activated
in the CAN master.
l Adapt "Node Life Time"
(C0382) to the setting in the
CAN master.
x: 0 = TRIP, 1 = Message, 2 = Warning, 3 = FAIL−QSP