Huawei DBS3900 Installation Manual page 115

DBS3900 LampSite
Installation Guide
If the RUN Indicator...
Steady off
On for 1s and off for 1s
On for 0.125s and off for
0.125s
Check the indicator status 30 minutes after the power-on if a pRRU is not connected to any BBU. The
pRRU is considered normally powered on when any indicator on the pRRU is on.
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Issue 08 (2016-05-30)
Because...
board is faulty.
There is no power input, or an
alarm is reported on the
board.
The device works properly.
The software of the board is
loading.
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7 Installing a pRRU3901
Then...
rectify the fault, and power on
the pRRU3901.
Power off the power supply
and check the power input. If
no fault is found after the
pRRU3901 is powered off,
clear the fault on the board,
and power on the pRRU3901.
End this operation.
Wait five minutes for the
software to be successfully
loaded. If the software is
loading five minutes later,
shut off the power supply.
Check whether the data
configuration file is correct.
After the fault is rectify,
power on the pRRU3901
again.
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