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