R&S 4200 Series Operating Manual page 171

Troubleshooting
Code Message
0102 NOGO ERROR
0103 MAIN FAN WARNING
0104 MAIN FAN ERROR
0107 MMI WD Restart
Level Config
E – Radio switches to the
NOGO state.
The NOGO error is the
general fault in the
radio and corresponds
to the GO LED. At least
one error or one NOGO
warning exists.
W N Rotation speed of the
main fan is low.
E – Main fan is not running
or is blocked.
W – Indication of restart
after the watch-dog
timer expires.
4.5
Note
Check the NOGO
configuration via the
service PC (see chapter
Analyze the CBIT status
in detail in order to find
out what the fault actually
Check airflow of fans and
clear the ventilation
Check the internal
temperatures in the radio
(see chapter 3.4.7.4.4) to
determine whether
operation can be
maintained for a certain
time (see chapter 5.2).
If this fails to eliminate
the fault, send the radio
Send the radio to service.
This maybe a software
error. Please report it to
the service. Radio will be
restarted automatically.
R&S XU 4200
Action
3.3).
is.
opening.
to service.
6166.5368.02.01