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DOL 100 digital box
Technical User Guide 11
4.3.1 LED indication on the CAN bus coupler
(A)
(B)
(D)
(C)
(D)
Item Function LED col-
our Description
(A)
24 V IN
Green
ON: 24 V DC power supply OK.
24 V Log ON: 24 V DC Internal OK.
24 V I/O ON: 24 V DC I/O fuse F1 OK.
(B)
Internal CAN bus RX Green ON: receiving data
Internal CAN bus TX Red ON: transmitting data
(C)
External CAN bus
RX Green ON: receiving data
External CAN bus
TX Red ON: transmitting data
(D)
CPU RUN Green FLASHES: OK.
OFF: not ready for operation
Operate Yellow States the CAN bus status
ON: operate
OFF: pre-operate
CAN ERROR Red OFF: CAN bus OK.
FLASHES: CAN bus error.
ERROR Red General error
Boot mode All LED ON (CPU RUN, Operate, CAN ER-
ROR and ERROR