FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
4 Routine Maintenance
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
37
Item
Method
Expected
Result
Troubleshooting
0.4 MPa.
are dirty and blocked.
Troubleshoot any faulty by
following instructions in the user
manual.
If the low pressure is abnormal,
check whether refrigerant leaks,
and whether the indoor fan and
expansion valve are working
properly. Troubleshoot any
faulty by following instructions
in the user manual.
Check whether the
compressor
generates abnormal
sounds during
operation.
The
compressor
generates no
abnormal
sound, such as
metal friction
sound.
Replace the faulty compressor by
following instructions in the air
conditioner user manual.
Check whether the
heat exchanging
coil is dirty and
blocked.
No foreign
matter exists
on the heat
exchanger
surface.
Remove foreign matter.
Check fans.
The fan blades
are intact and
generate no
abnormal
sound during
operation.
Replace the faulty fan by following
instructions in the air conditioner
user manual.
Check the
humidifier
cylinder.
The interior is
free from
scale.
Replace the faulty humidifier
cylinder by following instructions in
the air conditioner user manual.
Check the electric
heaters.
The electric
heaters and
switches are
secure.
Secure the electric heaters and
switches.
The electric
heater surface
is not
corroded.
Replace the faulty electric heater by
following instructions in the air
conditioner user manual.