Service Manual

6802800U74-AN
Chapter 13: MTS Troubleshooting
374
Alarm ID
Descrip-
tion
sage from
DSP.
Recovery
Action
Clear Ac-
tion
Notes
• ALM_RX_3_3_VOLT_FAU
LT
• ALM_RX_DC_3_3V_FAIL
• ALM_RX_5_VOLT
• ALM_RX_DC_5V_FAIL
• ALM_RX_12_VOLT
• ALM_RX_DC_12V_FAIL
• ALM_RX_27_VOLT_FAUL
T
• ALM_RX_DC_27V_FAIL
Receiver
DC 3.3V
line failure.
Receiver
DC 5V line
failure.
Receiver
DC 12V line
failure.
Receiver
DC 27V line
failure.
Receiver is
disabled by
the software
- BRC is un-
able to re-
ceive.
Receiver is
disabled by
the software
- BRC is un-
able to re-
ceive.
Receiver is
disabled by
the software
- BRC is un-
able to re-
ceive.
Receiver is
disabled by
the software
- BRC is un-
able to re-
ceive.
If the alarm
condition
disappears
then Receiv-
er is re-ena-
bled by the
software.
If the alarm
condition
disappears
then Receiv-
er is re-ena-
bled by the
software.
If the alarm
condition
disappears
then Receiv-
er is re-ena-
bled by the
software.
If the alarm
condition
disappears
then Receiv-
er is re-ena-
bled 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.
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.
Alarms for BR-
Arch-1 only.
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_RX_DC_1_8V_FAIL Receiver
DC 1.8V
line failure.
Receiver is
disabled by
the software
- BRC is un-
able to re-
ceive.
If the alarm
condition
disappears
then Receiv-
er is re-ena-
Alarm for BR-
Arch-2 only.
The alarm may
be reported be-
cause of some
power supply