Huawei FusionModule500 User Manual page 147

FusionModule500 Smart Mini Data Center
User Manual (ECC800e)
Maintenance area
Issue 07 (2019-12-20)
Item
Dust inside the
power distribution
subrack
Bolts between power
cables and the
busbar after
power-off
Circuit breakers after
power-off
Cable insulation
performance after
power-off
Insulation
performance of the
power distribution
subrack after
power-off
Insulation resistance
of the secondary
Copyright © Huawei Technologies Co., Ltd.
Operation
abnormal noise is
generated when the
transformer fan is
rotating.
Check whether
there is dust on the
power distribution
subrack panel.
Tighten all bolts
regularly using an
adjustable wrench.
Switch on or off the
circuit breakers.
Measure the
insulation resistance
using an insulation
tester.
Measure the
insulation resistance
using an insulation
tester.
Measure the
insulation resistance
Expected Result Troubleshooting
fan rotates the Transformer
normally without Fan Fuse
abnormal noise.
The white paper If the white paper is
that you use to dirty, clean the
wipe the cabinet power distribution
panel is clean. subrack.
The bolts are Tighten a bolt if it is
secured. loose.
The circuit If the circuit breaker
breakers are cannot be switched
switched on and on or off smoothly,
off smoothly for perform the
five times. following
operations:


The insulation If the cable
resistance is insulation
greater than or performance is
equal to 5 poor, replace the
megohms. cable.
The insulation If the insulation
resistance is performance is
greater than or poor, check and
equal to 10 maintain the
megohms. components in the
power distribution
subrack, such as
internal cables and
circuit breakers.
The insulation If the insulation
resistance is performance is
4 Maintenance
If there is a
spare circuit
breaker, connect
cables to it.
If there is no
spare circuit
breaker, replace
the power
distribution
subrack by
referring to
4.5.2.7
Replacing a
PDU5000.
138