User's Manual

Troubleshooting Wideband Radio Head
4-2 044-05251 Rev A
PSU Critical PSU2 in the cover does not work properly. A sum sig-
nal from the PSU2 indicates that at least one voltage
output has dropped. If no mains breakdown relay is
used, then the alarm will also be sent at mains break-
down.
Ceasing PSU2 in the cover works properly again. Ceasing is
sent if the PSU2 works at start-up, and there is a cor-
responding critical PSU2 alarm logged in the Events
Log. The WRH will restart when the power is back
and this alarm will be sent.
FON Error The FON 10 Volt charger voltage is below limit. Sug-
gested remedy: Replace the FON
Ceasing The cause of the alarm has ceased.
2 WRH
restart
CU None Power on start, or user ordered reboot. Logged to
indicate a normal power up, or a restart ordered by
the operator.
Warning Software error restart, 1st – 7th time. Restart 1st to
7th time during a 14 day period. The counter is reset
every 14th day, counted from power up.
Error Software error restart 8th – 10th time. Restart 8th to
10th time during the 14 day period. At the 11th time,
the SW bank will be blocked and not used anymore
until a user ordered reset is performed, or power is
switched off/on.
3Mains
break-
down
External Critical The mains power is gone. Used with an external relay
indicating mains breakdown. The external relay
should be connected to External Alarm 1 and the
WRH configured to indicate this alarm. If no relay is
used, a mains breakdown will be reported as a PSU
fault.
Ceasing The mains power is back. Sent if there is a corre-
sponding critical mains breakdown alarm logged in
the Events Log. The WRH will restart when the power
is back.
4Alarm
reset
CU None Alarm reset by the user. All alarms are reset. The
cause of the alarm will be re-evaluated and reported,
if still active.
5 Local bus
error
WBA #,
PA#,
MCPA#
Error Error when communicating on the bus. The CU has
no contact with the WBA, PA or MCPA PCBA, which
is taken out of service.
6 Main bkd
w backup
External Error Used to indicate that the mains is no longer available.
WRH is powered by external battery backup unit.
Suggested remedy: Check the mains power.
Ceasing The cause of the alarm has ceased.
7 Err in AD-
converter
Warning The analog-to-digital converter on the CU PCBA does
not give reliable values.
8 New unit
detected
None Compared to the last power on, the CU has recog-
nized at least one additional hardware unit.