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User’s Manual 7
LED OFF LED steady ON LED flashing
  
Signalling Function
ALARM

Signals at least one lockout or deactivation or unload anomaly.

Signals at least one lockout or deactivation which has not yet been
acknowledged with the “
MODE/ACK
” button

No lockouts, deactivations, or unload functions.
WARNING

There is at least one active warning.

Signals at least one lockout or warning, which has not yet been
acknowledged with the “
MODE/ACK
” button

No warnings.
INHIBIT

Signals an active inhibit command from digital input, clock/calendar
or load function

It means that the input status is active, but the set waiting time
hasn't elapsed.

It means that an inhibition command is active.
TEST

Signals TEST mode on

The TEST is enabled by a serial command, SMS, the REMOTE
TEST input function or the clock/calendar

Signals
TEST mode off
SERIAL
PORTS

Indicates at least one of the two serial ports is active.

Signals that a command is being sent from one of the serial ports
(the second serial port is managed in signalling only if configured
as the COM port and not the
I/O ) expansion.

Indicates at least one of the two serial ports isn't active.
CAN0

Signals that the CAN0 interface is active and in ERROR-ACTIVE
mode. (J1939 or MTU)

Flashing at 25% ON signals a COM error (J1939 or MTU): the port
is in
ERROR-PASSIVE mode.
Flashing at 75% ON signals a COM error (J1939 or MTU): the port
is in
BUS-OFF mode.

Signals that
CAN0 has been disabled.
CAN1

Signals that the CAN1 interface is active and in ERROR-ACTIVE
mode. Power Management Communication Bus (PMCB)

Flashing at 25% ON signals a COM error (J1939 or MTU): the port
is in
ERROR-PASSIVE mode.
Power Management Communication Bus (PMCB)
Flashing at 75% ON signals a COM error (J1939 or MTU): the port
is in
BUS-OFF mode.
Power Management Communication Bus (PMCB)

Signals that CAN1 has been disabled.
BUS LIVE

Signals BUS line ON.

Signals BUS line OFF.

Flashes at 50% if the BUS line voltage is out of tolerance range.
Flashes at 50% during the synchronization phase (opposite
sequence to
MCB or GCB ).