3.6.4
Troubleshooting Transmitter Alarms
The description in the table indicates the alarm LED and its color on the front panel of the
DXL5000 transmitter.
Alarm
PLL Status
Fan
Power Supply
SCM Calc
SCM Code
CH1-4 FIFO Overflow
CH1-4 FIFO Underflow
RF Out
IF Input
PA Voltage
ASI BNC1, 2, 3
3.6.5
Troubleshooting Receiver Alarms
The description in the table indicates the alarm LED and its color on the front panel of the
DXL5000 receiver.
Alarm
PLL Status
Power Supply
RSL
Fade Margin
SCD Calc
SCD Code
SCD CH1-4 FIFO Underflow
SCD CH1-4 FIFO Overflow
SCD DIV unplugged
SCD Carrier Unlock
SCD CH1-4 Unlock
SCD CH1-4 AIS
DXL5000 User and Technical Manual
Major–Flashing
Red: The Phase Lock Loop (PLL) is unlocked.
Major–Red: Indicates that the fan is not working.
Major–Red: Indicates internal power supply and potential unstable
operation. Verify input power is correct.
Minor &
SCM–Amber: Single carrier modulator (SCM) internal
error.
Minor &
SCM–Amber: Invalid license in SCM.
Minor &
SCM–Amber: Data FIFO error.
Minor &
SCM–Amber: Data FIFO error.
Major &
SCM–Red: RF power output is too low.
Major–Red: IF Input is outside nominal usage.
Major–Red: Power amplifier voltage is out of range.
Major–Red: ASI interface error
Major–Red: The Phase Lock Loop (PLL) is unlocked.
Major–Red: Indicates internal power supply and potential unstable
operation. Verify input power is correct.
Major–Red: Receive signal level is below the user
threshold. Default value is
Major–Red: Approaching threshold.
Minor &
SCM–Amber: Single carrier demodulator (SCD) internal
error.
Minor &
SCM–Amber: Invalid license in SCD (single carrier
demodulator).
Minor &
SCM–Amber: Data FIFO error.
Minor &
SCM–Amber: Data FIFO error.
Minor &
SCM–Amber: Diversity error.
Major &
SCM–Red: Input unlocked.
Minor &
SCM–Amber: SCD channel error.
Minor &
SCM–Amber: SCD channel error.
Description
Description
-
80 dBm.
Operating the DXL5000 3-13
-
defined
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