Symptom Possible Cause Solution
The transport sheet
metal fastener is not
removed from the
compressor.
Remove the sheet metal
fastener.
The indoor fan fails to
start.
The switch of the indoor
fan is not turned on.
Check the switch status.
The indoor fan is
damaged.
Replace the indoor fan.
The connection terminals
for the fans are not
securely connected.
Secure the connection
terminals.
The heating function is
unavailable.
The electric heater
temperature switch is
protected.
● Check the
temperature switch. If
the electric heater is
protected due to a
high temperature, it
can automatically
recover after the
temperature drops.
● If the protection fuse
has blown, replace
the temperature
switch.
The electric heater
switch is OFF.
Check the electric heater
switch status.
The electric heater is
burnt out.
Disconnect the power
supply and check
whether the electric
heater is damaged by
checking the electric
heater resistance
properties with an
ohmmeter.
The water overows the
unit.
The drainpipe is not
connected, or the
drainpipe lift is
inappropriate.
Ensure that the drainpipe
securely connects to the
pump, and that the lift
of the drainpipe does not
exceed 4 meters.
The cable connector is
faulty.
Check the switch status
and cable connections.
The water pump is
faulty.
Replace the water pump.
NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width) 6 System Operation and Maintenance
Issue 15 (2020-12-10) Copyright © Huawei Technologies Co., Ltd. 224
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