6.1.3 Yearly Maintenance
Table 6-3 Yearly preventive maintenance table
Maintenance Item Operation Expected Result Troubleshooting
Power distribution
subrack
Check whether there
is dust on the power
distribution subrack
panel.
The white paper that
you use to wipe the
panel is clean.
If the white paper is
dirty, clean the power
distribution subrack.
Bolts for connecting
cables and busbars
Tighten all bolts
regularly using an
adjustable wrench.
The bolts are secured. Tighten a bolt if it is
loose.
Circuit breaker Switch on and o the
circuit breaker ve
times.
The circuit breaker can
be switched on and o
smoothly.
If the circuit breaker
cannot be switched on
or o smoothly and
there is a spare circuit
breaker, connect
cables to the spare
one.
Cable insulation Measure the
insulation resistance
using an insulation
tester.
The insulation
resistance is greater
than or equal to 5
megohms.
If the cable insulation
performance is poor,
replace the cable.
Insulation
performance of the
power distribution
subrack
Measure the
insulation resistance
using an insulation
tester.
The insulation
resistance is greater
than or equal to 10
megohms.
If the insulation
performance is poor,
check and maintain
the components in the
power distribution
subrack, such as
internal cables and
circuit breakers.
Insulation resistance
of the secondary
signal loop
Measure the
insulation resistance
using an insulation
tester.
The insulation
resistance is greater
than or equal to 2
megohms.
If the insulation
performance is poor,
check and maintain
the signal cable and
smart ETH gateway.
Lithium battery Battery management
alarm
No battery
management alarm is
generated.
Identify the causes
based on the alarm
information.
FusionModule800 Smart Small Data Center
User Manual 6 O&M
Issue 01 (2021-02-05) Copyright © Huawei Technologies Co., Ltd. 360
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