User's Manual

044-05251 Rev A 4-1
Chapter 4
Maintenance
Introduction
This chapter contains periodic maintenance and performance test procedures for the WRH.
Periodic Maintenance
Periodic maintenance requirements are listed in Table 4-1, as well as the intervals at which the tasks should
be performed.
Troubleshooting
The sections that follow contain a list of problems that could occur and a few suggested actions that might
correct each problem. If the suggested corrective action does not eliminate the problem, please contact your
Powerwave field representative or help line for further instruction.
Clearing Alarm Faults
Table 4-2 lists the alarms that can be generated in the WRH. Critical, Error and Warning alarms are sent
automatically from a WRH-V to OM-Online, stored and then viewed in the Alarm window.
Table 4-1 Recommended Periodic Maintenance
Task Interval Action
Inspection of cables
and connectors
12 months Inspect power, RF and Fiber cables for signs of damage or wear
(frayed insulation, cracks, punctures, etc.) Check connections to be
sure they are tight
Optional Perform cable sweeps
Clean equipment Clean as required depending on operating environment
Table 4-2 Alarm Troubleshooting
ID Alarm Text Alarm Unit Alarm Description
1 Power PSU Critical PSU1 in the cabinet does not work properly. A sum signal from
the PSU1 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 breakdown
Ceasing PSU1 in the cabinet works properly again. Ceasing is sent if the
PSU1 works at start-up, and there is a corresponding critical
PSU1 alarm logged in the Events log. The WRH-V will restart
when the power is back and this alarm will be sent
PSU Critical PSU2 in the cover does not work properly. A sum signal 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 breakdown