Huawei FusionCol8000-E240 User Manual page 191

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Alarm ID Alarm Name
A297-20 Main control module
fault
A298-01 Spray overflow alarm
A304-01 Spray drain abnormal
A305-01 Spray water supply
abnormal
Issue 02 (2021-04-15)
Alarm
Severity
Major
Major
Major
Major
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Possible Cause
● The main control
module is faulty.
● The spray overflow
pipe is dirty or
blocked.
● The float does not
drop because the
spray high float is
faulty.
● The spray drainpipe
is dirty or blocked.
● The cable to the
spray drain valve is
not connected
properly.
● The spray drain
valve is faulty.
● The low spray float
does not drop
because the float is
faulty.
● The cable to the
low spray float is
not connected
properly.
● The spray water
supply is
insufficient.
● The low spray float
does not float
because the float is
faulty.
● The cable to the
low spray float is
not connected
properly.
● The cable to the
spray water supply
solenoid valve is
not connected
properly.
● The spray water
supply solenoid
valve is faulty.
8 System Maintenance
Solution
1. Replace the main
control module.
1. Clear the spray
overflow pipe.
2. Maintain the high
spray float.
1. Clear the spray
drainpipe.
2. Check the cable
connection to the
spray drain valve.
3. Replace the spray
drain valve.
4. Maintain the low
spray float.
5. Check the cable
connection to the
low spray float.
1. Check the spray
water supply.
2. Maintain the low
spray float.
3. Check the cable
connection to the
low spray float.
4. Check the cable
connection to the
spray water supply
solenoid valve.
5. Replace the spray
water supply
solenoid valve.
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