Nera Inmarsat-c Service Manual page 11

5. Communication test
Before the test, check followings.
1) C/N of the status display is OK.
2) Its value is stable.
3) "Current Status" is "Idle".
5.1 Log in
When Log in ([F7]-1) is succeeded, "Successful Login" appears.
If the trouble message appears, see the list below.
TROUBLE message
ANT Power voltage
abnormality
1. Too many retries.
2. MES Signalling Failure,
Login Request not sent to
NCS.
3. Login failed.
4. Carrier power level
5.2 PV test
PV test is started by [F7]-7-1. OK When "Overall Result" is "Pass". See page 5-1.
The PV test result ([F7]-7-2) should be printed out.
Description
The supplied voltage error
for the antenna unit
1-3. Login failed
4. The transmit level is not
within the rating.
( actuality, no appears)
4
Table 5. TROUBLE message
Remedy
- Change IC-115 or PWR board.
- Check the antenna cable.
- Change IC-115 or RF CON/CPU.
- Check the antenna cable.
Check List