User's Manual
ISO 9001:2000 Cert. N°4500/1
Version 1.1 SDT_ARK6_User_Manual_ENG_vATSC Page 103 of 206
Alarm
Description and limitations
Troubleshooting
Mode(2)
RF mask (1)
1PPS Not Locked
1PPS is not locked to the selected frequency
reference.
If the frequency reference is Internal: OCXO
fault
If the frequency reference is External:
o OCXO fault
o Lack of external 1PPS
o Hardware fault
If the frequency reference is GPS:
o Check GPS alarms
o OCXO fault
o Hardware fault
C
1
FPGA Boot alarm
FPGA boot has not been successfully
completed.
Restart the machine
Reload the file system
C
1
Forward Power High
FWD power goes over the maximum
endurable limit.
Hardware fault
C
1
Forward Power Low
Warning
FWD power level goes over the warning
threshold.
Check alarm and warning thresholds
At every amplifier initialization the FWD power
alarm and warning are temporary on
Amplifier is not properly working, hardware fault
C
0
Forward Power Low
Alarm
FWD power level goes over the alarm
threshold.
C
0
Reflex Power High
RFL power goes over the set power -9 dB.
Check the RF output for disconnection or
wrong impendence adaptation
C
0
File System Error
File System loading error.
File system partition damage
C
1