Huawei NetCol5000-A User Manual page 154

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
Alarm
Alarm
ID
ation fault
a117 Group
units
number
not match
a118 Main
power off
a119 L1/L2
linkage
condition
not met
a120 A/C
Issue 01 (2017-07-27)
Alarm
Impact
Severity
generated.
Major The alarm
is
generated.
Major The alarm
is
generated.
Major Cables to
the
temperatur
e sensor in
the cabinet
are not
properly
connected.
Major The alarm
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Possible Cause
2. The ETH converter is
faulty.
3. The smart socket is
faulty.
4. The cables are faulty
between the air
conditioner and the smart
socket or monitoring
host.
1. Teamwork settings are
incorrect for slave units.
2. The number of air
conditioner units is
incorrectly set in the
master unit.
3. A slave unit is offline.
1. The primary power
supply is faulty.
2. The cables to the primary
power supply is loose.
1. The cables to the cabinet
temperature sensor are
loose or damaged.
2. The cabinet temperature
sensor is faulty.
3. The monitoring host
(ECC) is faulty.
4. The rack environment
unit is faulty.
5. The temperature sensor
configuration is incorrect
in the monitoring host
(ECC).
6. The air conditioner
configuration is incorrect.
7. Teamwork settings are
incorrect for the master
unit.
1. Teamwork settings are
5 Operation and Maintenance
Solution
works properly.
2. Maintain or replace the
ETH converter.
3. Maintain or replace the
smart socket.
4. Maintain or replace the
cables between the air
conditioner and the smart
socket or monitoring
host.
1. Modify teamwork
settings for slave units to
enable slave units to join
the teamwork group.
2. Set total number of units
on the master unit to the
actual number of units.
3. Check the cable
connection and running
conditions of the slave
units.
1. Check the primary power
supply.
2. Check the cables to the
primary power supply.
1. Maintain or replace the
cables to the temperature
sensor, rack environment
unit, and the monitoring
host (ECC).
2. Maintain or replace the
temp sensor of cabinets.
3. Check or maintain the
monitoring host (ECC).
4. Check or maintain the
rack environment unit.
5. Check that the
configuration between the
temp sensor and the
cabinet is correct.
6. Check that the
configuration of the
monitoring host (ECC) is
correct.
7. Set total number of units
on the master unit to the
actual number of units.
1. Enable the sensors for
controlling the indoor
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