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FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Item
4.6 Annual Maintenance
Table 4-21 Annual maintenance checklist
Categ
ory
Power
supply
and
distribu
tion
system
Coolin
g
Issue 02 (2017-01-10)
Method
Item
Method
PDC
Check whether
there is dust on
the PDC panels.
UPS5000-
Check the power
E
cables and
terminal
connections
(between the
UPS and the
PDC).
UPS5000-
Check whether
E battery
the equalized
charging voltage
and float
charging voltage
of a battery are
normal.
20 kW &
Use a precision
35 kW
T/H sensor to
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Copyright © Huawei Technologies Co., Ltd.
Expected
Troubleshooting
Result
the cables
(the cables
works only
a very short
time under
overload
situations).
The bend
radius of
cables
meets
requirement
s.
The cable
armor is
intact.
Expected Result
There is no dust
on the surface.
Cables and
terminals are free
from deterioration,
damage, spark
signs, and loose
contacts.
Equalized
charging
voltage: 2.35
V/cell ± 0.02
V/cell.
Float charging
voltage: 2.25
V/cell ± 0.02
V/cell.
The temperature
difference is less
4 Routine Maintenance
Troubleshooting
Clean the dust.
Replace cables or secure
output terminals.
If the charging voltage of
a battery exceeds the
specifications
requirement, perform a
complete forcible
equalized charging for the
battery, and check again
whether the voltage is
normal.
Calibrate the T/H sensor
by following instructions
54
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