Huawei TP48200A-HX09A2 User Manual page 50

TP48200A-HX09A2, TBC300A-TCA2 Outdoor Power
System
User Manual
Maintenance
Item
TCUA control
board
TEC04C
Air filter
Electrical
specifications
Preventive
maintenance
inspection
(PMI)
Appearance
Grounding
Issue 02 (2019-02-26)
Maintenance Task
Check Check
Whether Method
The TCUA By observing,
control board and checking
works the indicator
normally. and alarms.
The TEC04C By observing,
works and checking
normally. the fan and the
temperature.
The air filter is View the air
covered by filter.
dust.
The output Multimeter.
voltage is
normal.
Indicators are
By observing.
normal.
The paint or By observing.
electroplated
coating on the
cabinet flakes
off or has
scratches.
The ground By observing
point properly the grounding
connects to the and using a
ground bar in screwdriver or
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance
Repair When Measures
The TCUA Replace the
control board TCUA control
works board.
abnormally.
The TEC Replace the
module is TEC04C.
damaged and
cannot
effectively cool
the air.

Overtemper Replace the air
ature alarm filter.
happens
frequently
and the
temperature
inside the
cabinet is
much higher
than the
ambient
temperature.

Dust
accumulates
on the air
filter.
The battery For details, see
circuit voltage 4.2 Rectifying
or load circuit Common
voltage exceeds Faults.
its threshold.
An alarm is
generated.
The surface is Repaint or
damaged or repair the shell.
distorted.
The cable Secure the
connecting the ground point or
ground point replace the
and the ground cable.
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