Service Manual

6802800U74-AN
Chapter 13: MTS Troubleshooting
391
Alarm ID
Descrip-
tion
ALM_EX_DC_12V_FAULT Exciter DC
12V line
failure.
ALM_EX_DC_5V_FAULT Exciter DC
5V line fail-
ure.
Recovery
Action
Transmitter
is disabled
by the soft-
ware - BRC
is unable to
transmit.
Transmitter
is disabled
by the soft-
ware - BRC
is unable to
transmit.
Clear Ac-
tion
If the alarm
condition
disappears
then trans-
mitter is re-
enabled by
the software.
If the alarm
condition
disappears
then trans-
mitter is re-
enabled by
the software.
Notes
The alarm may
be reported be-
cause of some
power supply
problems (ca-
bles, connec-
tors) or the BRC
hardware fail-
ure / configura-
tion problem.
The alarm may
be reported be-
cause of some
power supply
problems (ca-
bles, connec-
tors) or the BRC
hardware fail-
ure / configura-
tion problem.
ALM_EX_DC_2_775V_FAUL
T
Exciter DC
2.775V line
failure.
Transmitter
is disabled
by the soft-
ware - BRC
is unable to
transmit.
If the alarm
condition
disappears
then trans-
mitter is re-
enabled by
the software.
The alarm may
be reported be-
cause of some
power supply
problems (ca-
bles, connec-
tors) or the BRC
hardware fail-
ure / configura-
tion problem.
ALM_EX_DC_3_3V_FAULT Exciter DC
3.3V line
failure.
Transmitter
is disabled
by the soft-
ware - BRC
is unable to
transmit.
If the alarm
condition
disappears
then trans-
mitter is re-
enabled by
the software.
The alarm may
be reported be-
cause of some
power supply
problems (ca-
bles, connec-
tors) or the BRC
hardware fail-
ure / configura-
tion problem.
ALM_EX_DC_1_875V_FAUL
T
Exciter DC
1.875V line
failure.
Transmitter
is disabled
by the soft-
ware - BRC
is unable to
transmit.
If the alarm
condition
disappears
then trans-
mitter is re-
enabled by
the software.
The alarm may
be reported be-
cause of some
power supply
problems (ca-
bles, connec-
tors) or the BRC
hardware fail-
ure / configura-
tion problem.