Users Manual Part 2
Alarm ID
Descrip-
tion
Recovery
Action
Clear Ac-
tion
Notes
• ALM_RX_27_VOLT_FAUL
T
• ALM_RX_DC_27V_FAIL
Receiver
DC 27V 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-
bled by the
software.
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-
bled by the
software.
Alarm for BR-
Arch-2 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_2_775V_FAIL Receiver
DC 2.775V
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-
bled by the
software.
Alarm for BR-
Arch-2 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_NVM_CKSUM_
FAULT
• ALM_RX_NVM_CKSUM_
FAIL
Checksum
fault for the
Receiver
NVM pa-
rameters
was detec-
ted during
initialization
- some of
the Receiv-
er configu-
ration pa-
rameters
may be cor-
rupted.
Software at-
tempts to set
the parame-
ters to the
default val-
ues taken
from the de-
fault region
in the NVM
memory.
If the opera-
tion of re-
storing de-
faults is suc-
cessful the
alarm is
cleared. Oth-
erwise the
alarm status
is un-
changed.
Corrupted con-
figuration pa-
rameters may
cause that BRC
works incorrect-
ly. The default
values may be
different than the
lost parameter
values. To en-
sure that the pa-
rameters can be
restored man-
ually to the earli-
6802800U74-AP
Chapter 13: MTS Troubleshooting
405