IDS1000-A Air-Cooled Container Data Center
All-in-One Maintenance Guide
4 Alarms and Faults
Issue 01 (2016-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
70
4.23 20 kW Air-cooled Precision Air Conditioner Alarms
Fault
Category
Alarm
Severity
Symptom
Possible
Cause
Troubleshooting
20 kW
air-cooled
precision
air
conditione
r alarms
Major
The compressor
does not work.
The device
generates a
fault alarm.
Check whether an
alarm is generated. If
yes, handle the alarm
by referring to the
alarm reference list.
The compressor
does not need
to start.
Check whether cooling
is required on the
controller home page.
The power
supply for the
compressor is
faulty.
Check that the
compressor input power
is 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.
Check the compressor
power supply status. If
the power supply is
faulty, check whether
the power supply cable
is abnormal, and
whether the compressor
power supply circuit
breaker is off or
abnormal. If a fault is
identified, rectify the
fault and check whether
the abnormality
disappears.
The compressor
is damaged.
Replace the compressor
by following
instructions in the
Replacing the
Compressor
section in
the air conditioner user
manual.
