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FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
Fault
Category
For other alarms of the 20 kW air-cooled precision air conditioner, see NetCol5000-A 20 kW Air-Cooled
In-Row Precision Air Conditioner User Manual.
Issue 04 (2018-01-05)
Alarm
Symptom
Severity
Major
Water
overflows.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4 Alarms and Faults
Possible
Troubleshooti
Cause
ng
The drainpipe is
Verify that the
not properly
drainpipe is
connected.
connected.
A float switch
Check the float
is faulty.
cables, and
check whether
the float is
damaged or not
flexible. If the
float is
damaged or
jammed, adjust
the float or
perform
replacement by
following
instructions in
the "Replacing
a Float" section
in
NetCol5000-A
20 kW
Air-Cooled
In-Row
Precision Air
Conditioner
User Manual.
The water inlet
Check whether
pipe leaks.
the water inlet
pipe leaks. If
yes, repair the
leakage point.
The drainpipe is
Check whether
blocked or the
the drainpipe is
drainage
blocked by
solenoid valve
foreign matter
is faulty.
or scale. If yes,
close the water
refill port, drain
water from the
water pan, and
remove the
blockage.
66
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