Huawei FusionModule500 Smart User Manual page 171

FusionModule500 Smart Mini Data Center
User Manual (Philippines, FusionModule500-
SU61A12S)
Maintenance
Area
Issue 02 (2021-06-30)
Maintenance Operation
Item
Circuit breaker Switch on or off
the circuit
breaker after
powering off the
device.
Cable insulation Measure the
performance insulation
resistance using
an insulation
tester after
power-off.
Insulation Measure the
performance of insulation
the power resistance using
distribution an insulation
subrack tester after
power-off.
Insulation Measure the
resistance of the insulation
secondary loop resistance using
an insulation
tester after
power-off.
Copyright © Huawei Technologies Co., Ltd.
Expected Result Troubleshootin
g
The circuit If the circuit
breaker is breaker cannot
switched on and be switched on
off smoothly for or off smoothly
five times. and there is a
spare circuit
breaker, connect
cables to the
spare one.
The insulation If the cable
resistance is insulation does
greater than or not meet the
equal to 5 requirement,
megohms. replace the
power 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
greater than or poor, check and
equal to 2 maintain the
megohms. signal cable and
smart ETH
gateway.
6 O&M
162