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.
71
Fault
Category
Alar
m
Sever
ity
Symptom
Possible
Cause
Troubleshooting
is faulty.
displayed.
2.
Verify pump cable
connections.
3.
Rotate the pump
exhaust plug to expel
air, and close the
plug.
4.
Check whether the
water pump is
working properly.
Water level
floats are faulty.
1.
Check the alarms
displayed.
2.
Check cable
connections for the
high and low floats.
3.
Check whether the
floats are working
properly, and replace
a float if necessary.
The inlet pipe or
drainpipe leaks.
Check the inlet pipe and
drainpipe and their
connectors, and repair
leakage points.
The self-drain
pipe is blocked.
Check whether the
self-drain port is blocked
and whether the
self-drain pipe contains
foreign matter or is
frozen.
Major
The humidifier is
faulty.
In the
commissioning
or running
period,
humidification
control is
enabled, but the
humidifier
neither
humidifies nor
generates
alarms.
In the commissioning or
running period, switch
off the humidifier circuit
breaker and flip the
manual drainage switch
to
O: Normal
humidifying
.
The water inlet
pipe or
drainpipe leaks.
Repair leaking parts.
Water
Manually start the