Filters - Huawei NetCol8000-A Series User Manual

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
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6.1.2 Filters

Table 6-1 Filters
No.
1
2
3
Issue 10 (2019-01-15)
Take protective measures during electrical maintenance, such as wearing insulation
gloves and shoes.
Exercise caution when performing professional maintenance tasks. For details, consult
Huawei technical support.
During component replacement, do not lean any material against the cabinet.
Operations
Verify that the air filters
are clean and not blocked.
Check whether the air
filter is damaged or
deformed.
Check whether the
differential pressure sensor
of the air filter works
properly.
1. Switch on the external
power supply circuit
breaker. After the unit
operates normally,
choose Settings >
Alarm settings >
Main Board to Enable
the alarm function of
the differential pressure
switch.
2. Block 100% of the air
return vent with plastic
material or baffle plate.
If the air filter blocking
alarm is generated, the
differential pressure
sensor is working
properly. If the air filter
blocking alarm is not
generated, check
whether the differential
pressure tube is
correctly connected.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Troubleshooting
If an air filter is dirty and
blocked, clean it using a
vacuum cleaner, shake dust
off it, or replace it.
Replace the air filters.
Check whether the pressure
tube of the air filter clogging
switch is fixed properly. (The
pressure tube is fixed under
the air filter, and it is on the
right side of the unit.) If the
fault is not rectified, contact
Huawei technical support to
replace the air filter clogging
switch.
Remarks
Perform the
operations with the
power off.
Perform the
operations with the
power off.
Perform the
operations with the
power on.
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