Huawei NetCol5000-C - Page 117

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