Huawei NetCol8000-E220 User Manual page 164

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Alarm Alarm
ID Severity
A307- WARNIN
01 G
A308- WARNIN
01 G
A30C- WARNIN
01 G
A30C- WARNIN
02 G
A30C- WARNIN
04 G
A30D- WARNIN
01 G
A30E- WARNIN
01 G
A30E- WARNIN
02 G
A30E- WARNIN
04 G
A30F- MAJOR
Issue 02 (2019-10-10)
Alarm
Probable Cause
Name
the spray low float is faulty.
Spray water The accumulated runtime the spray
pump 1 pump exceeds the alarm threshold.
exceed
runtime alarm
Spray water The accumulated runtime the spray
pump 2 pump exceeds the alarm threshold.
exceed
runtime alarm
Certificate is 1. The corresponding certificate is
about to about to expire.
expire
2. The system time is incorrectly
set.
Certificate is 1. The corresponding certificate is
about to about to expire.
expire
2. The system time is incorrectly
set.
Certificate is 1. The corresponding certificate is
about to about to expire.
expire
2. The system time is incorrectly
set.
Certificate is 1. The installed corresponding
not in effect certificate does not take effect.
2. The connection of the
corresponding certificate server is
abnormal.
3. The corresponding certificate is
not within the validity period.
Certificate 1. The corresponding certificate has
has expired expired.
2. The system time is incorrectly
set.
Certificate 1. The corresponding certificate has
has expired expired.
2. The system time is incorrectly
set.
Certificate 1. The corresponding certificate has
has expired expired.
2. The system time is incorrectly
set.
Air-side 1. The differential pressure sensor
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Solution
switch.
7. Maintain the spray low float.
1. Replace the pump and clear
the accumulated runtime.
1. Replace the pump and clear
the accumulated runtime.
1. Apply for a new certificate
promptly and update the existing
one.
2. Calibrate the system time.
1. Apply for a new certificate
promptly and update the existing
one.
2. Calibrate the system time.
1. Apply for a new certificate
promptly and update the existing
one.
2. Calibrate the system time.
1. Ensure that the certificate is
correctly installed.
2. Ensure that the connection of
the certificate server is normal.
3. Ensure that the installed
certificate is within the validity
period.
1. Apply for a new certificate
promptly and update the existing
one.
2. Calibrate the system time.
1. Apply for a new certificate
promptly and update the existing
one.
2. Calibrate the system time.
1. Apply for a new certificate
promptly and update the existing
one.
2. Calibrate the system time.
1. Maintain or replace the
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