Power Supply Unit (Psu); Fault Description; Troubleshooting - Huawei Airbridge cBTS3612 Maintenance Manual

On-site Maintenance Manual
Airbridge cBTS3612 CDMA Base Station

3.10 Power Supply Unit (PSU)

3.10.1 Fault Description
The power module is not working or not working properly
I.
The power module fan is not running properly
II.
III.
The voltage of the power output of the power module is
too high
IV.
The voltage of the power input of the power module is
too low
The power module is over-heated
V.

3.10.2 Troubleshooting

The power module is not working or not working properly
I.
When the three indicators on the panel of the power module are
all flashing or all gone off, it indicates the power module is not
working properly and there is an unexpected internal problem, the
module needs to be replaced.
The power module fan is not running properly
II.
When there is problem with the power module fan, the relevant
alarm indicator on the module panel will be on and the fan failure will
be reported. Replace the fan of the power module.
Chapter 3 Component Failure
3-25
Handling