2/25/03
888-2473-001
6-5
WARNING: Disconnect primary power prior to servicing.
Section 6 Diagnostics
ATLAS Series™
PA PS4 DC
PA Power Supply #4,
DC Output Fault
DC_OK signal from Power
Supply Unit
WARNING
NO
PA PS1 AC
PA Power Supply #1,
AC Input Fault
AC_OK signal from Power
Supply Unit
WARNING
NO
PA PS2 AC
PA Power Supply #2,
AC Input Fault
AC_OK signal from Power
Supply Unit
WARNING
NO
PA PS3 AC
PA Power Supply #3,
AC Input Fault
AC_OK signal from Power
Supply Unit
WARNING
NO
PA PS4 AC
PA Power Supply #4,
AC Input Fault
AC_OK signal from Power
Supply Unit
WARNING
NO
Air Temp
Ambient control
enclosure air
temperature has
exceeded 70
o
C
70
o
C
WARNING
NO
Air Press
Cabinet air pressure
below 13 Pa
13 Pa
WARNING
NO
Coolant
Temp
Warning
Coolant temperature has
exceeded 55
o
C
55
o
C
WARNING
NO
Coolant
Temp
Overload
Coolant temperature has
exceeded 70
o
C
70
o
C
PS MUTE
NO
Coolant Flow
Coolant flow is less than
the minimum Liters per
minute (lpm) flow rate
under normal operation
See Cooling System Layout
Diagram:
843-5550-170 for DVL 400 -
DVL 3000
843-5550-213 for DVL 4300
and DVL 5700
Warning for 5
seconds, then switch
pumps. If still no flow
for 5 more seconds,
then RF and
PS_MUTE.
NO
Coolant Leak
Coolant leak detected
inside transmitter
cabinet
N/A
FLT_OFF,
RF_MUTE and
PS_MUTE
NO
EXCA
NOCOMM
Exciter A not
communicating via RS-
232 port
N/A
WARNING
NO
EXCA KO
Communication error
N/A
WARNING
NO
EXCB
NOCOMM
Exciter B not
communicating via RS-
232 port
N/A
WARNING
NO
EXCB KO
Communication error
N/A
WARNING
NO
Table 6-1 Atlas Transmitter Fault List
TYPE
Description
Fault Level or Threshold
Transmitter
Action
Three
Strike
Summary of Contents for Atlas DVL400
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