Harris Atlas DVL1100, Technical Manual

Page: 165 / 180

2/25/03 888-2473-001 6-7
WARNING: Disconnect primary power prior to servicing.
Section 6 Diagnostics
ATLAS Series™
M# +12V Fail Module #1-8
+12Vdc Regulator
Failed
+/-20% Normal DAC reading =
750
WARNING NO
M# -12V Fail Module #1-8
-12Vdc Regulator
Failed
+/-20% Normal DAC reading =
748
WARNING NO
M# 7V Fail Module #1-8
Loss of +7.5Vdc
from LVPS
+/-20% Normal DAC reading =
670
WARNING NO
M# 5V Fail Module #1-8
+5Vdc Regulator
Failed
+/-20% Normal DAC reading =
744
WARNING NO
M# Short Module #1-
Pass FET switch
short
Voltage present at pallets with
module shut off
WARNING NO
M1-8 Pallet1-8
OC
Module #1-8
Pallet #1-8 Over-
Current
Amplifier Pallet has exceeded
10A
MODULE OFF YES
M# P&G Drv
OC
Module #1-8
Phase and Gain
Driver Over-Current
Output Driver on Phase and Gain
Board has exceeded 10A
MODULE OFF YES
M# PreDrv OC Module #1-8
Pre-Driver
Over-Current
Pre-Driver Current has exceeded
5A
MODULE OFF YES
M# Drv1 OC Module #1-8
Driver #1 Over-
Current
Driver Current has exceeded 10A MODULE OFF YES
M# Drv2 OC Module #1-8
Driver #2 Over-
Current
Driver current has exceeded 10A MODULE OFF YES
M# SW Passfet Module #1-8
DC Switch Failure
Loss of power supply voltage to
pallets
MODULE OFF YES
M# 32V High Module #1-8
PA Power Supply
Voltage too high
Power Supply voltage to the
module has exceeded 34Vdc
MODULE OFF YES
M# 32V Low Module #1-8
PA Power Supply
Voltage too Low
Power Supply voltage to the
module is less than 25Vdc
MODULE OFF YES
M# VSWR Module #1-8
Reflected power
overload
Module reflected power has
exceeded 100W
MODULE OFF YES
Table 6-2 Atlas PA Module Fault List
TYPE Description Fault Level or Threshold Transmitter
Action
Three
Strik
e