Huawei NetCol5000-C User Manual page 117

NetCol5000-C Chilled Water-Cooled In-Row Precision
Air Conditioner
User Manual
Alarm
Alarm Name
ID
a080 CW value
exceed
runtime
a083 SPD fault
a084 Power fault
a085 Route A fuse
disconnect
a086 Route B fuse
disconnect
Route C fuse
a087
disconnect
a088 Route D fuse
disconnect
a090 Cond pump
1/2 exceed
runtime
a091 Cold aisle LT
Issue 02 (2013-12-10)
System
Severity
Operation
Warning The alarm is
generated.
The alarm is
Major
generated.
Critical The alarm is
generated, and
the
NetCol5000-C
shuts down.
Critical The alarm is
generated, and
the
NetCol5000-C
shuts down.
Critical The alarm is
generated, and
the
NetCol5000-C
shuts down.
The alarm is
Critical
generated, and
the
NetCol5000-C
shuts down.
Critical The alarm is
generated, and
the
NetCol5000-C
shuts down.
Warning The alarm is
generated.
Warning The alarm is
generated.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes
5. The drainpipe of the
condensate pump is
blocked.
The accumulated runtime
of the CW value exceeds
the alarm set point.
1. The SPD is faulty.
2. Cables to the SPD are
loose or damaged.
A wrong power
distributor is used.
1. A device on loop A is
faulty.
2. The loop A fuse is
blown.
1. A device on loop B is
faulty.
2. The loop B fuse is
blown.
1. A device on loop C is
faulty.
2. The loop C fuse is
blown.
1. A device on loop D is
faulty.
2. The loop D fuse is
blown.
The accumulated runtime
of condensate pump
exceeds the alarm set
point.
1. The return-air low
temperature alarm set
point is inappropriate
for the working
conditions.
2. The temperature
displayed on the LCD
Recovery Measures
the drainpipe.
Maintain or replace the
CW value.
1. Maintain or replace
the SPD.
2. Check cables to the
SPD.
Maintain or replace the
power distributor.
1. Maintain or replace
the faulty device on
loop A.
2. Replace the loop A
fuse.
1. Maintain or replace
the faulty device on
loop B.
2. Replace the loop B
fuse.
1. Maintain or replace
the faulty device on
loop C.
2. Replace the loop C
fuse.
1. Maintain or replace
the faulty device on
loop D.
2. Replace the loop D
fuse.
Maintain or replace
condensate pump.
1. Adjust the return-air
low temperature
alarm set point.
2. Maintain or replace
the temperature and
humidity sensor.
3. Maintain or replace
109