Comtech EF Data LBC-4000 - Manual (Page 67)

LBC-4000 L-Band Up/Down Converter System Revision 4
Front Panel Operation MN/LBC4000.IOM
5–11
5.2.3 SELECT: Faults
FAULTS: Conv-A Conv-B
PwrSupA PwrSupB Stored
Use the [←][→] arrow keys to select Conv‐A, Conv‐B, PwrSupA, PwrSupB, or RefOsc, and then
press [ENT] to display. Otherwise, use the [←][→] arrow keys to select Stored, and then press
[ENT] when done. Otherwise, use the [←][→] arrow keys to select Stored, and then press [ENT]
when done.
Details about these read‐only FAULTS screens are as follows:
Submenu Screen Example Description
Conv-A
FAULTS Cnv-A:
ifLO=OK rfLO=OK temp=OK
For Converter Unit A or B: The selected
Up/Down Converter IDU operating states are
shown, where:
ifLO= IF Lockout
rfLO = RF Lockout
temp = Operating Temp
OK = operation is normal
FT = operation is faulted.
Conv-B
FAULTS Cnv-B:
ifLO=OK rfLO=OK temp=OK
PwrSupA
FAULTS Pwr Supply A:
12V=OK 08VT=OK 05VT=OK Where ‘X’ denotes Power Supply ‘A’ or ‘B’:
The 12V, 8V, and 5V operating states for the
selected power supply are shown, where:
OK = operation is normal
FT = operation is faulted.
PwrSupB
FAULTS Pwr Supply B:
12VT=OK 08VT=OK 05VT=OK
Press [ENT] or [CLR] to return to the previous menu from any read‐only FAULTS screen.
5.2.3.1 FAULTS Æ Stored
FAULTS Stored:
View Clear
Use the [←][→] arrow keys to select View or Clear, and then press [ENT] when done.
FAULTS Æ Stored Æ View
Fault No. 06 22:08:26
OK-IFLO_A 08/10/04
Use the[↑][↓] arrow keys to scroll between and view the available lists of current faults. A total
of 100 faults can be stored in memory as they occur, and the faults are date and time stamped.
The stored faults remain in memory until a Clear command is executed. When the number of
faults reaches 100, the 100
th fault will display an error ( ER ).