Huawei NetCol5000-A User Manual page 152

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
Alarm
Alarm
ID
abnormal
a089 Comp
speed
limit
a090 Cond
pump
exceed
runtime
a093 High
humidity
a094 Low
humidity
Comp
a095
drive short
period
Issue 01 (2017-07-27)
Alarm
Impact
Severity
is
generated.
Major The alarm
is
generated.
Warning The alarm
is
generated.
Warning The alarm
is
generated.
Warning The alarm
is
generated.
The alarm
Critical
is
generated.
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Possible Cause
float are loose or
damaged.
2. The high float is faulty or
stuck.
3. The condensate pump is
faulty, or the drainage
capacity decreases.
4. The pipeline or the
internal drainpipe is
blocked or frozen.
1. The comp is in lack of
oil.
2. The refrigerant leaks.
The ambient temperature is
higher than the upper alarm
threshold.
1. The load is low.
2. The ambient humidity is
high.
3. The T/H sensors are
located in inappropriate
position.
4. The high humidity alarm
threshold is
inappropriate.
5. The temp displayed is
different from the actual
temp.
1. The ambient humidity is
low.
2. The T/H sensors are
located in inappropriate
position.
3. The low humidity alarm
threshold is
inappropriate.
4. The temp displayed is
different from the actual
temp.
The comp driver is faulty for
multiple times, or the faulty
lasts for a long time.
5 Operation and Maintenance
Solution
high float.
2. Maintain or replace the
high float or clear the
obstacles.
3. Reference to the solutions
for the a041 cond pump
fault alarm.
4. Clear the internal
drainpipe.
1. Fill oil to the comp.
2. Check for any leakages.
Fill refrigerant after
maintenance or
replacement.
Maintain or replace the
condensate pump. Tap
Maint > Performance
Maint to clear the
accumulated runtime.
1. Please consult Huawei
technical support.
2. Check the ambient
humidity.
3. Adjust the position of the
T/H sensors.
4. Adjust the high humidity
alarm threshold.
5. Calibrate or replace the
abnormal T/H sensors.
1. Check the ambient
humidity.
2. Adjust the position of the
T/H sensors.
3. Adjust the low humidity
alarm threshold.
4. Calibrate or replace the
abnormal T/H sensors.
Maintain or replace the comp
driver and tap Maint >
Performance Maint to clear
the accumulated runtime.
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