5
Routine Maintenance
Item
Interval
Operation
Guide
Reference
Standard
Troubleshooting
PWR indicator
on the
monitoring
board
Monthly
Observe the
brightness of
each indicator.
The PWR indicator
is on.
If the indicator is off or
dim, replace the
monitoring board.
Alarm indicator
on the general
input unit
Monthly
Observe the
brightness of the
indicator when a
fault occurs in
the system.
The indicator is on. If the indicator is off or
dim when a fault occurs,
replace the monitoring
board.
Operating status
of the surge
protection
module
Monthly
Check the status
of the indicator
and miniature
circuit breaker
(MCB) of the
surge protection
module.
● The surge
protection
module
indicator is
steady green.
● The MCB is
switched on.
● Replace the surge
protection module if
its indicator is red.
● If the MCB is switched
off, switch it on.
Connections of
input and output
power cables
Monthly
Visual
observation
● Cables are
intact.
● The terminals
are secure and
free from spark
signs and rust.
Take measures depending
on the severity.
Appearance of
power
distribution
components
Quarterly Visual
observation
The appearance is
intact.
Take measures depending
on the severity.
New Main Way 2.0
User Manual
5 Routine Maintenance
Issue 05 (2020-10-15)
Copyright © Huawei Technologies Co., Ltd.
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