maintenance. If you need to perform maintenance tasks such as measuring
the current, voltage, and temperature when the equipment is operating,
connect the power supply only after you have finished all equipment
connections. Disconnect the power supply when you finish maintenance.
●
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.
5.1.2 Preventive Maintenance Tables
Monthly Preventive Maintenance Table
Table 5-1 Monthly Preventive Maintenance Table
Maintenance Item
Expected Result
Troubleshooting
Return air filter
Check that the return air filter is
clean and not blocked.
Clean the air filter with water
(recommended).
Check that the return air filter is not
damaged or distorted.
If it is damaged, replace the air
filter.
Wet film humidifier
Check that the valve on the water
inlet pipe is open.
Open the valve on the water inlet
pipe.
Check that the wet film is clean and
have no scale.
If there is much water scale,
replace the wet film humidifier.
Check that no operating overtime
alarm is generated for the
humidifier.
Replace the wet film humidifier.
Refrigerant pipe and
water pipe
Check that the refrigerant pipe is
free of oil stains and rust.
Check for leakage and repair the
pipe.
Check that the water pipe is
tightened and free of water leakage.
Check for leakage and repair the
pipe, or reconnect the pipe.
The thermal insulation foam is
intact.
Wrap the thermal insulation foam
again.
NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
5 System Operation and Maintenance
Issue 02 (2020-11-09)
Copyright © Huawei Technologies Co., Ltd.
78
