Parts Replacement; Replacing The Filters - Huawei NetCol8000-A Series User Manual

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
Symptom
The heating function
fails.

6.4 Parts Replacement

After replacing any part, verify that the new part works properly.

6.4.1 Replacing the Filters

Context
Figure 6-5
Issue 10 (2019-01-15)
Possible Cause
cables are disconnected.
The water pan in the infrared
humidifier is not filled with
water.
There is no humidification
requirement.
The electrical heater
temperature switch is being
protected.
The airflow loss switch is
faulty, or the electrical heater
circuit breaker is off.
An electrical heater is burnt
out.
shows the positions of filters in the indoor unit. They are numbered 1 and 2.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Reference Solution
connections.
Check whether the water
pressure is proper.
Check the status of the water
injection solenoid valve.
Check whether the water
injection pipe is blocked.
Check whether the water inlet
pipe valve is opened.
Check for any requirement on
the LCD.
View the alarm, check the
manual reset temperature
switch for the electric heater,
and manually switch it on if it
was switched off.
Check the temperature switch
and replace it if it is faulty.
Check whether the airflow loss
switch is properly connected.
Check the electrical heater
circuit breaker status.
Disconnect the power supply
and check whether the
electrical heater is damaged by
checking the electrical heater
resistance properties with an
ohmmeter.
161