Huawei NetCol5000-A025 User Manual page 198

NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width)
Al
ar
m
ID
a0
4
0
a0
4
2
a0
4
4
Issue 15 (2020-12-10)
Alarm Ala Impact
Name rm
Sev
erit
y
PSU 2 MA Generates
power JOR an alarm.
supply
abnorm
al
Remote MA Generates
shutdo JOR an alarm
wn and shuts
alarm down the
smart
cooling
product.
Smoke CRI Generates
sensor TIC an alarm
alarm AL and shuts
down the
smart
cooling
product.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes
The input power
cables of the PSU
are loose or
damaged.
1. The remote
shutdown dry
contact is
triggered.
2. The cables to
the remote
shutdown dry
contact are
loose or
damaged.
1. Smoke is
generated in the
equipment
room.
2. The cables to
the smoke
sensor are loose
or damaged.
3. The smoke
sensor is faulty.
Solution
Check the input
power cables of the
PSU.
1. Check the status of
the remote
shutdown dry
contact.
2. Check the cables to
the remote
shutdown dry
contact.
1. Expel smoke from
the equipment
room and reset the
smoke sensor.
2. Check the cables to
the smoke sensor.
3. Maintain or replace
the smoke sensor.
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