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