Huawei FusionModule 1000B Maintenance Manual page 82

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Fault
Category
Issue 02 (2017-01-10)
Alar Symptom
m
Sever
ity
Major The compressor
generates a loud
noise.
Major An indoor fan does
not work.
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Possible Troubleshooting
Cause
manual.
The sheet metal Remove the sheet metal
for securing the and check whether the
compressor abnormality disappears.
during
transportation is
not removed.
The compressor Troubleshoot by
starts and stops following instructions in
at short Comp HP switch, and
intervals. check whether the
abnormality disappears.
The compressor Contact Huawei
technical support.
suffers from
liquid strike.
A fan alarm is Check whether an alarm
generated. is generated. If yes,
handle the alarm by
referring to the alarm
reference list.
The fan does not Choose Running >
need to work.
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 Turn on the switch, and
the indoor fan is check whether the
not turned on. abnormality disappears.
Power supply to Check the power supply
the indoor fan is to the indoor fan.
abnormal. 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.
5 Alarms and Faults
74