User Guide
22
6. Troubleshooting
Symptom
Cause Analysis
Solution
The unit cannot be
powered on.
The power cord is not connected or contact
with the socket is too loose.
Connect the power cord properly
and ensure good contact.
The green RUN
indicator is steady
on.
There is power input, but the module fails.
Eliminate the module failure or
directly replace the module.
The green RUN
indicator is steady
off.
There is no power input, or the module fails.
Check whether the power cord is
connected normally, or eliminate
the
module
failure.
Directly
replace
the
module
when
necessary.
The red ALM
indicator is steady
on.
There is an alarm, and the module fails.
Directly replace the module.
The red ALM
indicator blinks.
The alarm arises from the related interface
failure.
Check the related interface.
The red VSWR
indicator blinks
quickly.
One or more ports report the VSWR alarm
during startup of the RRU.
Check
whether
the
antenna
feeder
system
is
connected
normally.
The red VSWR
indicator blinks
slowly.
One or multiple channels are abnormal after
the cell is established.
Check
whether
the
antenna
feeder
system
is
connected
normally.
The SFP indicator is
steady off.
The CPRI fiber link fails.
Check
whether
the
fiber
connection is normal and whether
the optical module is inserted
properly.
If the problem persists, please contact Hytera.
Summary of Contents for RRU3800F080
Page 1: ...RRU3800F080 User Guide Document Version V1 0 Release Date 11 2018...
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