TP48200A-HX09A1 and TBC300A-DCA5 Telecom
Power
User Manual
4 Maintenance
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
41
4
Maintenance
4.1 Routine Maintenance
Routine maintenance is required periodically based on the site requirements. The
recommended maintenance interval is six months. If any faults occur, rectify the faults in
time.
Table 4-1
Routine maintenance checklist
Maintenance
Item
Check Whether
Check Method
Repair When
Measures
Cabinet door lock
The door lock is
damaged.
By observing, or by
locking and
unlocking the door.
The door lock fails.
Replace the door
lock.
Fan
Dust accumulates
on the fan surface.
By observing.
Thick dust
accumulates on the
fan surface.
Clean up the dust
from the fan.
The fan surface is
intact and the
rotational speed,
noise, and vibration
are in the normal
range.
By observing and
listening to the fans.
The fan is damaged,
the noise is too
loud, or the
vibration is
abnormal.
Replace the fan.
Heat exchanger
Dust accumulates
on the surface of
the heat exchanging
core.
By observing or
checking the
temperature.
Thick dust
accumulates on the
surface of the heat
exchanging core,
and the temperature
inside the cabinet is
overhigh.
Clean or replace the
heat exchanging
core.
Heater
The heater works
normally.
By observing or
checking the
temperature.
The heater is
damaged and
cannot effectively
heat the air.
Replace the heater.
TCUA control
The TCUA control
board works
By observing, and
checking the
The TCUA control
board works
Replace the TCUA