Harris Atlas DVL400 Technical Manual page 164

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