Huawei NetCol5000-A025 User Manual page 207

NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width)
Al
ar
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ID
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a1
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8
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Issue 15 (2020-12-10)
Alarm Ala Impact
Name rm
Sev
erit
y
Indoor CRI Generates
fan TIC an alarm
failure AL and shuts
alarm down the
smart
cooling
product.
Backup MA Generates
power JOR an alarm
failure and shuts
alarm down the
electric
heater.
Primary MA Generates
power JOR an alarm
failure and shuts
alarm down the
electric
heater.
Humid MA Generates
water JOR an alarm
inlet and shuts
solenoi down the
d valve humidifier.
fault
Compre MA Generates
ssor JOR an alarm
suction and shuts
temper down the
ature compressor.
sensor
fault
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes
1. The
accumulated
runtime of the
fan exceeds the
alarm threshold.
2. The cable to the
fan is not
connected
properly.
3. The power
supply to the fan
is abnormal.
The power supply is
faulty.
The power supply is
faulty.
1. The cables to
the water inlet
solenoid valve
are loose or
damaged.
2. The water inlet
solenoid valve is
faulty.
1. The cables to
the suction
temperature
sensor are loose
or damaged.
2. The suction
temperature
sensor is faulty.
Solution
1. Maintain or replace
the fan, and clear
the accumulated
runtime.
2. Check the cable
connection to the
fan.
3. Check the power
supply to the fan.
Check the power
supply.
Check the power
supply.
1. Check the cables to
the water inlet
solenoid valve.
2. Replace the water
inlet solenoid
valve.
1. Check cables to the
suction
temperature
sensor.
2. Maintain or replace
the suction
temperature
sensor.
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