Huawei FusionCol8000-E240 User Manual page 192

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Alarm ID Alarm Name
A306-01 Spray function
abnormal
A306-02
A307-01 Spray water pump 1
exceed runtime alarm
A308-01 Spray water pump 2
exceed runtime alarm
A30C-01 Certificate is about to
expire
A30C-02
A30C-04
Issue 02 (2021-04-15)
Alarm
Severity
Major
Warning
Warning
Warning
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
● The spray pump
inlet is blocked.
● The spray pump is
air-sealed.
● The cable to the
spray pump is not
connected properly.
● The spray pump is
faulty.
● The cable to the
spray water flow
switch is not
connected properly.
● The spray water
flow switch is
faulty.
● The low spray float
does not drop
because the float is
faulty.
The accumulated
runtime the spray
pump exceeds the
alarm threshold.
The accumulated
runtime the spray
pump exceeds the
alarm threshold.
● The corresponding
certificate is about
to expire.
● The system time is
incorrectly set.
8 System Maintenance
Solution
1. Clear the blockage
from the spray
pump inlet.
2. Expel 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 low
spray float.
Replace the pump and
clear the accumulated
runtime.
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.
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