Harris Atlas DVL1100, Technical Manual

Page: 164 / 180

6-6 888-2473-001 2/25/03
WARNING: Disconnect primary power prior to servicing.
Section 6 Diagnostics ATLAS Series™
Table 6-2 Atlas PA Module Fault List
TYPE Description Fault Level or Threshold Transmitter
Action
Three
Strik
e
M# Pallet 1
M# Pallet 2
M# Pallet 3
M# Pallet 4
M# Pallet 5
M# Pallet 6
M# Pallet 7
M# Pallet 8 Module #1-8
Pallet #1-8 LDMOS
Fault
One LDMOS failure when pallet
current is less than 60% of the
highest pallet current. Two
LDMOS failures when pallet
current is less than 40% of the
highest pallet current.
1 or 2 failures
gives a
WARNING. 3
failures causes
module to shut
OFF.
NO
M# Drv1
M# Drv2 Module #1-8
Driver 1 or Driver 2
LDMOS fault.
One LDMOS failure when pallet
current is less than 60% of the
highest pallet current. Two
LDMOS failures when pallet
current is less than 40% of the
highest pallet current.
Module Shuts off NO
M# P&G Drv Module #1-8
Phase and Gain
input RF fault
Input Overdrive - RF input level
is over 10mW
WARNING NO
M# PreDrv Module #1-8
Predriver
Predriver Over-current WARNING NO
M# Input Low Module #1-8
RF input Low
Module RF input is less than
0.1mW
WARNING NO
M# Freq Module #1-8
Frequency
Configuration Error
N/A WARNING NO
M# EEPROM Module #1-8
EEPROM Failure
Error writing to EEPROM WARNING NO
M# CAN
COMM
Module #1-8
Not responding to
CAN bus
N/A WARNING NO
M# ALC
Unlock
Module #1-8
Automatic Level
Control Unlock.
Module cannot
maintain desired
power output
Power output too low or too high
AND the I or Q vector signal
equal to limit of "0" or "4095" at
DAC output
WARNING NO
M# +15V Fail Module #1-8
Loss of +15Vdc
from LVPS
+/-20% Normal DAC reading =
762
WARNING NO
M# -15V Fail Module #1-8
Loss of -15Vdc
from LVPS
+/-20% Normal DAC reading =
709
WARNING NO