Harris Atlas DVL400 Technical Manual page 163

Atlas series dvb-t uhf transmitter
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ATLAS Series™
Table 6-1 Atlas Transmitter Fault List
TYPE
Description
PA PS4 DC
PA Power Supply #4,
DC Output Fault
PA PS1 AC
PA Power Supply #1,
AC Input Fault
PA PS2 AC
PA Power Supply #2,
AC Input Fault
PA PS3 AC
PA Power Supply #3,
AC Input Fault
PA PS4 AC
PA Power Supply #4,
AC Input Fault
Air Temp
Ambient control
enclosure air
temperature has
exceeded 70
Air Press
Cabinet air pressure
below 13 Pa
Coolant
Coolant temperature has
Temp
exceeded 55
Warning
Coolant
Coolant temperature has
Temp
exceeded 70
Overload
Coolant Flow
Coolant flow is less than
the minimum Liters per
minute (lpm) flow rate
under normal operation
Coolant Leak
Coolant leak detected
inside transmitter
EXCA
Exciter A not
NOCOMM
communicating via RS-
EXCA KO
Communication error
EXCB
Exciter B not
NOCOMM
communicating via RS-
EXCB KO
Communication error
2/25/03
WARNING: Disconnect primary power prior to servicing.
Fault Level or Threshold
DC_OK signal from Power
AC_OK signal from Power
AC_OK signal from Power
AC_OK signal from Power
AC_OK signal from Power
o
C
o
C
o
C
See Cooling System Layout
Diagram:
843-5550-170 for DVL 400 -
DVL 3000
843-5550-213 for DVL 4300
and DVL 5700
cabinet
232 port
232 port
Supply Unit
Supply Unit
Supply Unit
Supply Unit
Supply Unit
o
70
C
13 Pa
o
55
C
o
70
C
seconds, then switch
pumps. If still no flow
N/A
N/A
N/A
N/A
N/A
888-2473-001
Section 6 Diagnostics
Transmitter
Three
Action
Strike
WARNING
WARNING
WARNING
WARNING
WARNING
WARNING
WARNING
WARNING
PS MUTE
Warning for 5
for 5 more seconds,
then RF and
PS_MUTE.
FLT_OFF,
RF_MUTE and
PS_MUTE
WARNING
WARNING
WARNING
WARNING
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
6-5

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