Consilium SRT, Technical Manual

Page: 73 / 120

SRT X-BAND RADAR SYSTEMS
TROUBLESHOOTING
304202P003 5.2 Rev. C
TXRX doe
s not turn on
Tra
n
sm
itte
r c
an
't be
c
ontrolle
d
Ante
nna
da
ta
c
an
't be
c
ontrolle
d
Transmitter performance is low Se
ct
or Bla
n
ki
ng is
not work
ing
Ante
nna
doe
s not rota
te
The
re
is
no c
u
rre
nt to ma
gne
tron
Tra
n
sm
itte
r doe
s not ge
ne
ra
te
RF
Ante
nna
rota
te
s,
but rota
tion s
p
ee
d
c
annot
be
c
ontrolle
d
Potential Cause Check Remedy
x x Circuits are damaged Check input and output azimuth signals on SRT_Control board
Replace the damaged
board
x High voltage is too low Check magnetron current and 700VDC voltage value
Adjust high voltage values
on SRT_Power Board
x Motor power supply is missing
Check if 24VDC voltage value on Brushless Motor Controller ends is low or
missing
Connect the 24VDC volt-
age to the controller prop-
erly
x Motor power supply is missing Check Brushless if Motor Controller enable signals are missing
Replace SRT_Control
Board
x Motor power supply is missing Check Brushless if Motor Controller enable signals are present
Replace the Brushless
Motor Controller
x x Modulator is damaged
Disconnect 700V cable from TB3 of SRT_Power Board, disconnect mo-
tor cables, turn S1 of the SRT_Control Board on position 3 and make sure
DL3 is off.
Replace SRT_Mos Board
x
Brushless Motor Controller is not
enabled properly
Check Brushless Motor Controller Signals
Replace SRT_Control
Board