Service Manual

373
6802800U74-AN
Chapter 13: MTS Troubleshooting
Alarm ID
Descrip-
tion
dication
message
from DSP.
Recovery
Action
Clear Ac-
tion
Notes
• ALM_BRC_ABA-
CUS_CLK2_ALM
• ALM_BRC_ABA-
CUS_CLK2_FAIL
• ALM_BRC_ABA-
CUS_CLK3_ALM
• ALM_BRC_ABA-
CUS_CLK3_FAIL
• ALM_BRC_ABA-
CUS_FS1_ALM
• ALM_BRC_ABA-
CUS_FS1_FAIL
• ALM_BRC_ABA-
CUS_FS2_ALM
• ALM_BRC_ABA-
CUS_FS2_FAIL
• ALM_BRC_ABA-
CUS_FS3_ALM
• ALM_BRC_ABA-
CUS_FS3_FAIL
Abacus
clock 2 is
not present
- the alarm
is reported
as a fault in-
dication
message
from DSP.
Abacus
clock 3 is
not present
- the alarm
is reported
as a fault in-
dication
message
from DSP.
Abacus
frame sync
1 is not
present -
the alarm is
reported as
a fault indi-
cation mes-
sage from
DSP.
Abacus
frame sync
2 is not
present -
the alarm is
reported as
a fault indi-
cation mes-
sage from
DSP.
Abacus
frame sync
3 is not
present -
the alarm is
reported as
a fault indi-
cation mes-
BRC is de-
keyed by the
software.
BRC is de-
keyed by the
software.
BRC is de-
keyed by the
software.
BRC is de-
keyed by the
software.
BRC is de-
keyed by the
software.
The alarm is
cleared just
after BRC is
de-keyed.
The alarm is
cleared just
after BRC is
de-keyed.
The alarm is
cleared just
after BRC is
de-keyed.
The alarm is
cleared just
after BRC is
de-keyed.
The alarm is
cleared just
after BRC is
de-keyed.
The alarm may
be reported be-
cause of the
BRC hardware
failure.
The alarm may
be reported be-
cause of the
BRC hardware
failure.
The alarm may
be reported be-
cause of the
BRC hardware
failure.
The alarm may
be reported be-
cause of the
BRC hardware
failure.
The alarm may
be reported be-
cause of the
BRC hardware
failure.