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FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
Fault
Category
20 kW
air-cooled
precision air
conditioner
alarms
Issue 04 (2018-01-05)
Alarm
Symptom
Severity
Major
The compressor
does not work.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4 Alarms and Faults
Possible
Troubleshooti
Cause
ng
The device
Check whether
generates a
an alarm is
fault alarm.
generated. If
yes, handle the
alarm by
referring to the
alarm reference
list.
The compressor
Check whether
does not need to
cooling is
start.
required on the
controller home
page.
The power
Check that the
supply for the
compressor
compressor is
input power is
faulty.
normal.
Remove the
X115
compressor
terminals,
measure the
terminal
voltages at the
connection
surfaces. If
voltages
between
terminals 1 and
2, 2 and 3, and
1 and 3 are
within ± 10% of
the rated
voltage, the
input power
supply is
normal.
61
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