FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
5 Alarms and Faults
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
74
Fault
Category
Alar
m
Sever
ity
Symptom
Possible
Cause
Troubleshooting
manual.
Major
The compressor
generates a loud
noise.
The sheet metal
for securing the
compressor
during
transportation is
not removed.
Remove the sheet metal
and check whether the
abnormality disappears.
The compressor
starts and stops
at short
intervals.
Troubleshoot by
following instructions in
Comp HP switch
, and
check whether the
abnormality disappears.
The compressor
suffers from
liquid strike.
Contact Huawei
technical support.
Major
An indoor fan does
not work.
A fan alarm is
generated.
Check whether an alarm
is generated. If yes,
handle the alarm by
referring to the alarm
reference list.
The fan does not
need to work.
Choose
Running
>
Status
on the controller
home screen and check
the indoor fan control
status. If the control
status is 0%, the fan does
not need to work, and
there is no fault. If the
control status is greater
than 0%, the fan is faulty
and needs to be rectified.
The switch of
the indoor fan is
not turned on.
Turn on the switch, and
check whether the
abnormality disappears.
Power supply to
the indoor fan is
abnormal.
Check the power supply
to the indoor fan.
Remove the terminals of
the fan, and check
whether the voltage
between the 0 V and 48
V terminals is 48 V using
a multimeter. If the
voltage differs too much,
the power supply is
abnormal.