Troubleshooting
Nexus FT
4-4
044-05251 Rev B
30
No modem
found
Remote ctrl
None
No modem found, that is no answer is returned on a poll string to
the modem
33
No
connection
Remote ctrl
None
No connection at callback. The WRH has tried to call as many
times as stated in the alarm call settings. No connection was
established.
Warning
No connection at alarm call. The WRH has tried to call as many
times as stated in the alarm call settings. No connection was
established. This alarm does not generate a new attempt to report
alarm by alarm call.
34
Login failed
None
Invalid WRH password
35
Remote
connection
Remote ctrl
None
Modem connection to OM-Online opened. Not logged on CU2.
Login Registry gives the same function and more information
about CU2
36
Modem init
failed
Remote ctrl
None
Initiation string to modem not OK. The initiation string sent to the
modem is not OK. The string may contain commands not
recognized by the modem. An alarm might be sent anyway.
Suggested remedy: Check the modem using the OM-Online or
OMS modem debugger
37
Remote
timeout
Remote ctrl
Warning
The time limit of 20 minutes is exceeded without extending the
timer. The modem connection is terminated by the WRH
38
PIN code
failed
Remote ctrl
Warning
The PIN code sent to MS is incorrect. To unlock the MS/SIM card,
the PUK code will probably be needed
Ceasing
The cause of the alarm has ceased
39
No phone
detected
Remote ctrl
Warning
When using a PC-card together with the MS, the alarm indicates
contact with the PC-card, but MS is not present or turned off.
Note:
A Nokia MS does not power-up after power failure.
Suggested remedy: Ensure the cellular phone is connected
Ceasing
The cause of the alarm has ceased
40
Battery fault
RCU, FON
charger
Error
The backup battery on the RCU or the FON PCBA does not work
properly. Suggested remedy: Check cables or replace battery
Ceasing
The cause of the alarm has ceased
42
Antenna
isolation
WBA #,
Channel #,
UL/DL
Warning
Low antenna isolation. The antenna isolation is lower than the
gain set. Gain is reduced by 10dB – 13dB below the oscillation
point. Suggested remedy: Decrease gain or increase antenna
isolation
Error
Low antenna isolation at lowest gain. The gain has been reduced
as much as possible but the oscillation still remains. The amplifier
is turned off. Suggested remedy: Decrease gain or increase
antenna isolation
Ceasing
Normal operation again, that is no oscillation can be detected
13dB above the gain set
48
Battery
backup fault
External
Error
If a battery backup unit alarm is connected to external alarm 2,
then the operator can configure the WRH to display this alarm
when the battery backup unit indicates alarm
Table 4-2 Alarm Troubleshooting (Continued)
ID
Alarm Text
Alarm Unit
Alarm
Description
Содержание NEXUS FT
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