TP48200A-DT19C1, TP48200A-DT19C2,
TP48200A-HT19C1 and TP48200A-HT19C2 Telecom
Power
User Manual
4 Maintenance
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
52
Maintenance
Item
Check Whether
Check Method
Repair When
Measures
TEC04C
The TEC04C
works normally.
By observing, and
checking the fan
and the
temperature.
The TEC module is
damaged and
cannot effectively
cool the air.
Replace the
TEC04C.
Air filter
The air filter is
covered by dust.
View the air filter.
Overtemperature
alarm happens
frequently and
the temperature
inside the
cabinet is much
higher than the
ambient
temperature.
Dust
accumulates on
the air filter.
Replace the air
filter.
Electrical
specifications
The output voltage
is normal.
Multimeter.
The battery circuit
voltage or load
circuit voltage
exceeds its
threshold.
For details, see 4.2
Rectifying
Common Faults.
Preventive
maintenance
inspection (PMI)
Indicators are
normal.
By observing.
An alarm is
generated.
Appearance
The paint or
electroplated
coating on the
cabinet flakes off or
has scratches.
By observing.
The surface is
damaged or
distorted.
Repaint or repair
the shell.
Grounding
The ground point
properly connects
to the ground bar in
the equipment
room.
By observing the
grounding and
using a screwdriver
or wrench.
The cable
connecting the
ground point and
the ground bar in
the equipment room
is loose or
damaged.
Secure the ground
point or replace the
cable.