Huawei NetCol5000-A050 User Manual page 202

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Alarm
ID
A038-0
1
A040-0
1
A040-0
1
A042-0
1
A044-0
1
Issue 08 (2021-09-17)
Alarm Name Alar
m
Seve
rity
Compressor MAJ
Liquid pipe OR
temp sensor
fault
PSU 1 power MAJ
supply OR
abnormal
PSU 2 power MAJ
supply OR
abnormal
Remote CRITI
shutdown CAL
alarm
Smoke sensor CRITI
alarm CAL
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
1. The cables to
the liquid pipe
temperature
sensor are loose or
damaged.
2. The liquid pipe
temperature
sensor is faulty.
The input power
cables of the PSU
are loose or
damaged.
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.
9 Alarm Reference
Solution
1. Check the cables to
the liquid pipe
temperature sensor.
2. Maintain or replace
the liquid pipe
temperature sensor.
1. Check the input
power cables of the
PSU.
1. 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.
192