Huawei NetCol8000-E220 User Manual page 129

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Alarm Alarm
ID Severity
01 G
A018- WARNIN
01 G
A018- WARNIN
01 G
A018- WARNIN
01 G
A018- WARNIN
01 G
A018- WARNIN
01 G
A018- WARNIN
01 G
A018- WARNIN
01 G
A018- WARNIN
01 G
A025- WARNIN
01 G
A025- WARNIN
01 G
Issue 02 (2019-10-10)
Alarm
Probable Cause
Name
exceed exceeds the alarm threshold.
runtime alarm
Indoor fan 3 The accumulated runtime of the fan
exceed exceeds the alarm threshold.
runtime alarm
Indoor fan 4 The accumulated runtime of the fan
exceed exceeds the alarm threshold.
runtime alarm
Indoor fan 5 The accumulated runtime of the fan
exceed exceeds the alarm threshold.
runtime alarm
Exhaust fan 1 The accumulated runtime of the fan
exceed exceeds the alarm threshold.
runtime alarm
Exhaust fan 2 The accumulated runtime of the fan
exceed exceeds the alarm threshold.
runtime alarm
Exhaust fan 3 The accumulated runtime of the fan
exceed exceeds the alarm threshold.
runtime alarm
Exhaust fan 4 The accumulated runtime of the fan
exceed exceeds the alarm threshold.
runtime alarm
Exhaust fan 5 The accumulated runtime of the fan
exceed exceeds the alarm threshold.
runtime alarm
Return air 1. Air filters are blocked or dirty.
filter blocked
2. The differential pressure switch
alarm
is faulty.
3. An inappropriate threshold is set
for the differential pressure switch.
4. The pressure tube of the
differential pressure switch is
blocked or disconnected.
5. The cables to the differential
pressure switch are loose or
damaged.
Outdoor 1. Air filters are blocked or dirty.
intake air
2. The differential pressure switch
filter blocked
is faulty.
alarm
3. An inappropriate threshold is set
for the differential pressure switch.
4. The pressure tube of the
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Solution
and clear the accumulated
runtime.
1. Maintain or replace the fan,
and clear the accumulated
runtime.
1. Maintain or replace the fan,
and clear the accumulated
runtime.
1. Maintain or replace the fan,
and clear the accumulated
runtime.
1. Maintain or replace the fan,
and clear the accumulated
runtime.
1. Maintain or replace the fan,
and clear the accumulated
runtime.
1. Maintain or replace the fan,
and clear the accumulated
runtime.
1. Maintain or replace the fan,
and clear the accumulated
runtime.
1. Maintain or replace the fan,
and clear the accumulated
runtime.
1. Maintain or replace the air
filters.
2. Replace the differential
pressure switch.
3. Adjust the threshold set for
the differential pressure switch.
4. Dredge or replace the
pressure tube.
5. Check the cables to the
differential pressure switch.
1. Maintain or replace the air
filters.
2. Replace the differential
pressure switch.
3. Adjust the threshold set for
the differential pressure switch.
121