Huawei NetCol8000-E220 User Manual page 163

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Alarm Alarm
ID Severity
A304- MAJOR
01
A305- MAJOR
01
A306-
MAJOR
01
A306- MAJOR
02
Issue 02 (2019-10-10)
Alarm
Probable Cause
Name
the spray high float is faulty.
Spray drain 1. The spray drainpipe is dirty or
abnormal blocked.
2. The cable to the spray drain
valve is not connected properly.
3. The spray drain valve is faulty.
4. The float does not drop because
the spray low float is faulty.
5. The cable to the spray low float
is not connected properly.
Spray water 1. The spray water supply is
supply insufficient.
abnormal
2. The float does not float because
the spray low float is faulty.
3. The cable to the spray low float
is not connected properly.
4. The cable to the spray water
supply solenoid valve is not
connected properly.
5. The spray water supply solenoid
valve is faulty.
Spray
1. The spray pump inlet is blocked.
function
2. The spray pump is air-sealed.
abnormal
3. The cable to the spray pump is
not connected properly.
4. The spray pump is faulty.
5. The cable to the spray water flow
switch is not connected properly.
6. The spray water flow switch is
faulty.
7. The float does not drop because
the spray low float is faulty.
Spray 1. The spray pump inlet is blocked.
function
2. The spray pump is air-sealed.
abnormal
3. The cable to the spray pump is
not connected properly.
4. The spray pump is faulty.
5. The cable to the spray water flow
switch is not connected properly.
6. The spray water flow switch is
faulty.
7. The float does not drop because
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6 System Operation and Maintenance
Solution
1. Clear the spray drainpipe.
2. Check the cable connection to
the spray drain valve.
3. Replace the spray drain valve.
4. Maintain the spray low float.
5. Check the cable connection to
the spray low float.
1. Check the spray water supply.
2. Maintain the spray low float.
3. Check the cable connection to
the spray low float.
4. Check the cable connection to
the spray water supply solenoid
valve.
5. Replace the spray water
supply solenoid valve.
1. Clear the blockage from the
spray pump inlet.
2. Remove the air from the
spray pump.
3. Check the cable connection to
the spray pump.
4. Replace the spray pump.
5. Check the cable connection to
the spray water flow switch.
6. Maintain the spray water flow
switch.
7. Maintain the spray low float.
1. Clear the blockage from the
spray pump inlet.
2. Remove the air from the
spray pump.
3. Check the cable connection to
the spray pump.
4. Replace the spray pump.
5. Check the cable connection to
the spray water flow switch.
6. Maintain the spray water flow
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