Alarm ID
Alarm Name
Alarm
Severity
Possible Cause
Solution
A306-01
A306-02
Spray function
abnormal
Major
● 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.
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.
A307-01
Spray water pump 1
exceed runtime alarm
Warning
The accumulated
runtime the spray
pump exceeds the
alarm threshold.
Replace the pump and
clear the accumulated
runtime.
A308-01
Spray water pump 2
exceed runtime alarm
Warning
The accumulated
runtime the spray
pump exceeds the
alarm threshold.
Replace the pump and
clear the accumulated
runtime.
A30C-01
A30C-02
A30C-04
Certificate is about to
expire
Warning
● The corresponding
certificate is about
to expire.
● The system time is
incorrectly set.
1. Apply for a new
certificate promptly
and update the
existing one.
2. Calibrate the
system time.
FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
8 System Maintenance
Issue 02 (2021-04-15)
Copyright © Huawei Technologies Co., Ltd.
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