Service Manual

6802800U74-AN
Chapter 13: MTS Troubleshooting
385
Alarm ID
Descrip-
tion
Recovery
Action
Clear Ac-
tion
Notes
• ALM_TX_VSWR_ALARM-
ING
• ALM_PA_VSWR_ALARM-
ING
• ALM_TX_REFL_PWR_AL
M_FAULT
• ALM_PA_REFL_PWR_FA
ULT
• ALM_TX_REFL_PWR_AL
M_WARN
• ALM_PA_REFL_PWR_W
ARN
ALM_TX_KEYED_FWD_PW
R_LOW
Voltage
Wave
Standing
Ratio is
high.
Reflected
power is
high.
Reflected
power is
high.
The output
power drop-
ped below
60% of the
current tar-
get (pro-
grammed)
power (the
power level
that is ex-
pected to
be currently
set).
No recovery
action taken
by the soft-
ware.
BRC is de-
keyed by the
software.
The output
power is re-
duced by the
software.
The power
leveling pro-
cedure is
executed to
get the out-
put power to
the expected
level.
BRC stays
de-keyed
until reset
occurs.
If the alarm
condition
disappears
then the out-
put power is
restored by
the software
to the target
level.
When the
output power
is restored to
the expected
level the
alarm is
cleared
The alarm may
be reported be-
cause of the
BRC hardware
failure or config-
uration prob-
lems.
The alarm may
be reported be-
cause of the
BRC hardware
failure or config-
uration prob-
lems.
The alarm may
be reported be-
cause of the
BRC hardware
failure or config-
uration prob-
lems.
The alarm may
be reported be-
cause of the
BRC hardware
failure or config-
uration prob-
lems.
ALM_PA_OTHER_RF_FAIL The same as ALM_TX_KEYED_FWD_PWR_LOW
ALM_TX_KEYED_FWD_PW
R_HIGH
The output
power rose
above
140% of the
current tar-
get (pro-
grammed)
power (the
power level
that is ex-
pected to
be currently
set).
The power
leveling pro-
cedure is
executed to
get the out-
put power to
the expected
level.
When the
output power
is restored to
the expected
level the
alarm is
cleared
The alarm may
be reported be-
cause of the
BRC hardware
failure or config-
uration prob-
lems.