Service Manual
6802800U74-AN
Chapter 13: MTS Troubleshooting
379
Alarm ID
Descrip-
tion
Recovery
Action
Clear Ac-
tion
Notes
• ALM_TX_TEMP_INTER-
NAL_SEVERE
• ALM_PA_TEMP_INTER-
NAL_SEVERE
• ALM_TX_DC_PS
• ALM_PA_IN_RUSH_FAIL
Internal
Power Am-
plifier tem-
perature is
too high.
Power Am-
plifier DC
supply fail-
ure.
BRC is de-
keyed by the
software.
BRC is de-
keyed by the
software.
If the alarm
condition
disappears
the alarm is
cleared and
BRC can be
re-keyed
again.
If the alarm
condition
disappears
the alarm is
cleared and
BRC can be
re-keyed
again.
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_TX_3_3V_PS Power Am-
plifier 3.3V
DC supply
failure.
BRC is de-
keyed by the
software.
If the alarm
condition
disappears
the alarm is
cleared and
BRC can be
re-keyed
again.
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_PA_3_3V_SUP-
PLY_FAIL
Reported when ALM_TX_3_3V_PS is set and ALM_TX_DC_PS
is cleared
ALM_TX_5V_PS Power Am-
plifier 5V
DC supply
failure.
BRC is de-
keyed by the
software.
If the alarm
condition
disappears
the alarm is
cleared and
BRC can be
re-keyed
again.
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_PA_5V_SUPPLY_FAIL Reported when ALM_TX_5V_PS is set and ALM_TX_DC_PS is
cleared
ALM_TX_LVL_PWR_FAIL The power
leveling pro-
cedure
failed to es-
tablish the
output pow-
er at the re-
BRC is de-
keyed by the
software.
The alarm is
cleared just
after BRC is
de-keyed.
The power level-
ing is done peri-
odically to en-
sure that the
output power
does not deviate
from the re-
quired level. It is