Symptom Possible Cause Solution
The condensing pressure is too
low.
Check the condenser.
The
compressor
generates
excessive
noises.
Liquid returns in a compressor. Check whether the oil
temperature and discharge
temperature are within the
normal range.
Refrigerant oil is insucient. Add refrigerant oil.
The transport sheet metal is
not removed from a
compressor.
Remove the sheet metal.
An indoor
fan fails to
start.
The switch of the indoor fan is
not turned on.
Check the switch of the indoor
fan.
An indoor fan is damaged. Replace the indoor fan.
The interconnection terminals
for the indoor fan are not
securely connected.
Secure the interconnection
terminals again.
The
heating
function is
unavailable
.
The electric heater
temperature switch is being
protected.
Check the temperature switch
and replace it if it is faulty.
The electric heater is not
switched on.
Check the electric heater switch.
An 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.
No water is
supplied to
the water
inlet
solenoid
valve of
the
humidier.
The upstream water supply is
faulty or the water pressure is
below the lower threshold.
Restore the water supply.
The water inlet solenoid valve
is blocked or faulty.
Replace the water inlet solenoid
valve.
The cable to the water inlet
solenoid valve is incorrectly
connected.
Reconnect the cable.
Water in
the smart
cooling
product
overows.
The drainpipe does not
connect to the pump, or the
lift between the drainpipe and
the water chiller is set to an
appropriate value.
Ensure that the drainpipe is
properly connected to the pump
and that the lift of the drainpipe
is lower than 4 meters.
The condensate pump is
faulty.
Replace the condensate pump.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 10 Troubleshooting
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 245
To Next Page
Loading...
Need help?
General
