R&S 4200 Series Operating Manual page 184

R&S XU 4200
Code Message
0203 PSU TEMP
WARNING
0204 PSU TEMP ERROR
0401 RX DC BATTERY
0402 RX AC MAIN
0403 RX DC 28V VLT LOW
0404 RX DC 28V
OVERVOLT
0405 RX INT REF
UNLOCK
6166.5368.02.01
Level Config
W – Temperature on the
PSU board is over the
warning limit.
E – Temperature is over the
W W/N DC battery voltage on
X2 is missing or low.
W W/N AC main voltage on X1
is missing or low.
W – DC voltage on the RX
module is less than
E – DC voltage 28 V on the
RX module is more
E – Internal reference
4.18
Note
Check airflow of fans and
ambient temperature
(see chapter 5.2).
Clear the ventilation
If this fails to eliminate
the fault, send the radio
error limit.
Check whether the DC
voltage is properly
connected to X2.
Measure DC voltage (see
chapter 3.4.7.4.3).
If no DC voltage is
appropriate configuration
must be performed (see
If this fails to eliminate
the fault, send radio to
Check whether the AC
voltage is properly
connected to X1.
Measure AC voltage (see
chapter 3.4.7.4.3).
If no AC voltage is
appropriate configuration
must be performed (see
If this fails to eliminate
the fault, send radio to
Check the DC voltage on
22 V.
Check the DC voltage on
X2; normally the voltage
than 32 V. there must never be
more than 32 V (this is
the final charging voltage
of the 28 V lead battery).
If this fails to eliminate
the fault, send the radio
Send the radio to service.
unlocks.
Troubleshooting
Action
opening.
to service.
See PSU TEMP
WARNING
connected, an
chapter 3.3).
service.
connected, an
chapter 3.3).
service.
X2 (see chapter
3.4.7.4.3).
to service.