Troubleshooting - Huawei NetCol8000-A013 User Manual

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
Maintenance Item
Cable
Outdoor unit

5.2 Troubleshooting

Do not maintain or replace outdoor units during thunderstorms. Otherwise, your
personal safety will be in danger.
● You are not advised to maintain or replace outdoor units in rainy days. If
unavoidable, take protective measures to prevent water from entering the
outdoor unit.
● When opening the electric control box cover, clear water from the cover.
● Certain circuits in the smart cooling product have lethal voltages. Only
professional technicians are allowed to perform maintenance.
● Exercise caution during troubleshooting with power on.
● If jumpers are used for troubleshooting, always remove them after
troubleshooting. Connected jumpers may affect control functions and damage
equipment.
Table 5-4 Troubleshooting
Cate Sympto Possible Cause
gory m
Indo The The indoor fan is damaged.
or indoor
The drive board of the
unit unit fails
indoor fan is damaged.
to start.
Issue 04 (2022-11-25)
Expected Result
Check that the electrical components
and control components of the
outdoor unit are free of dust.
Check that the surfaces of the
control board are not aged.
Check that the electric heater
contactor works properly.
Check that no cable is aged.
Check that the outdoor unit is
secured to the ground.
CA UTION
NO TICE
Copyright © Huawei Digital Power Technologies Co., Ltd.
5 System Operation and Maintenance
Troubleshooting
Replace the abnormal board.
Replace the electric heating
contactor if it is faulty.
Replace aged cables.
Tighten the screws that secure the
rack to the ground.
Measure
Replace the indoor fan.
Replace the drive board of the indoor fan.
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