User's Manual

High Power Wideband Radio Head (WRH-V) Troubleshooting
044-05251 Rev B 4-5
Remarks:
The Door Open alarm requires an optional door switch described in the Door Open Alarm section of Chapter
3.
The Main power breakdown alarm requires an optional relay described in the Main Power Breakdown Relay
section of Chapter 3.
Ceasing The cause of the alarm has ceased
50 Fiberoptical
error
FOT fiber
optics
Configur
able
If a fiber unit alarm is connected to external alarm 3, then the
operator can configure the WRH-V to display this alarm when the
fiber optical unit indicates alarm
Ceasing The cause of the alarm has ceased
70 Bad table
alarm
CU Error Requested table contains incorrect information (SW error)
71 Table not
found
CU Error Requested table not found in the database (SW or calibration
error)
72 Table
database
error
CU Error Table database not found (calibration error)
80 Antenna
SWR alarm
Donor
antenna
service
antenna
Error Too low antenna return loss, caused either by cables, connectors,
or antenna problems.
Suggested remedy: Check antenna and cables
Ceasing The cause of the alarm has ceased
90 FON power
alarm
FON RF Error A DC voltage on a FON PCBA is out of range. Suggested remedy:
Replace the FON PCBA.
Ceasing The cause of the alarm has ceased
91 FON
TxStable
alarm
FON RF Error Laser transmitter control loop voltage out of range. Suggested
remedy: Replace the FON PCBA
Ceasing The cause of the alarm has ceased
92 FON RxLevel
alarm
FON Warning Received optical level is below any of the two limits (one for
Warning and one for Error). Suggested remedy: Check optical
cables
Error Received optical level is below any of the two limits (one for
Warning and one for Error). Suggested remedy: Check optical
cables
Ceasing The cause of the alarm has ceased
93 FON SPI
alarm
FON F2F Error The SPI bus connection to the RF modem does not work properly.
Suggested remedy: Replace the FON PCBA
245 Not In
Allowed Area
CU None WRH-V is moved from the operating area and the RF HW is
switched on or off
Table 4-2 Alarm Troubleshooting (Continued)
ID Alarm Text Alarm Unit Alarm Description