Huawei NetCol5000-C Series User Manual page 152

NetCol5000-C(065, 080) In-row Chilled Water Smart
Cooling Product
User Manual
Alarm
ID
A105-01
A118-01
A130-01
A179-01
A180-01
Issue 07 (2020-03-16)
Alarm Alarm
Name Severit
y
Indoor fan Critical
failure
alarm
Primary Major
power
failure
alarm
Humidifie Major
r water
inlet
solenoid
valve fault
Humidifie Major
r pump
fault
Humidifie Warnin
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Impact Possible Cause
the actual
temperature.
1. The indoor fan is
An
faulty.
alarm is
triggere 2. The cables to the
d.
indoor fan are
loose or
damaged.
3. The power
supply to the
indoor fan is
abnormal.
1. The primary
An
power supply is
alarm is
faulty.
triggere
d, and 2. The cables to the
the primary power
electric supply are loose
heater or damaged.
is shut
down.
1. The cables to the
An
water inlet
alarm is
solenoid valve
triggere
are loose or
d, and
damaged.
the
humidif 2. The water inlet
ier is solenoid valve is
shut faulty.
down.
1. The water pump
An
inlet is blocked.
alarm is
triggere 2. The cables to the
d, and water pump are
the loose or
humidif damaged.
ier is
3. The water pump
shut
is faulty.
down.
4. The water pump
races due to a
liquid level
detection fault.
5. The water pump
is blocked.
An The accumulated
Solution
1. Maintain or
replace the
indoor fan.
2. Check the cables
to the indoor fan.
3. Check the power
supply to the
indoor fan.
1. Check the
primary power
supply.
2. Check the cables
to the primary
power supply.
1. Check the cables
to the water inlet
solenoid valve.
2. Replace the
water inlet
solenoid valve.
1. Clear the
blockage from
the water pump
inlet.
2. Verify that the
water pump
cables are
properly
connected.
3. Replace the
water pump.
4. Rectify the liquid
level detection
fault.
5. Replace the
water pump.
Maintain or replace
144