Huawei FusionModule800 Maintenance Manual page 29

FusionModule800 Smart Small Data Center
Maintenance Guide
Cat
ego
ry
Issue 02 (2016-11-15)
Sympt Possible Cause
om
The wet film humidifier
is faulty.
 The wet film
humidifier leaks or
water fails to come
into it.

The wet film
humidifier has
exceeded the
maximum operating
time.
Water supply fails.
Water The drainpipe does not
overflo connect to the pump, or
ws. the lift of the pump does
not match the height of
the pipes.
The condensate water
pump is faulty.
Cable connection
between the liquid level
detector and the
humidifier float is
improper or the device is
faulty.
The water inlet pipe or
drainpipe leaks.
Humidit For a single air
y is high conditioner, the server
or there heat load is lower than
is 2.5 kW.
condens
ation in
the
equipme
nt room.
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Measure
Replace the wet film humidifier by following
instructions in 5.3.1.5 Replacing a Wet Film
Humidifier.
Check and maintain the water supply source
and pipe.
Ensure that the drainpipe correctly connects
to the pump, and ensure that the lift of the
drainpipe is lower than 4 meters.
Replace the condensate water pump by
following instructions in
Condensate Pump.
Check the alarm. Check cable connections
for high and low liquid level detectors.
Check whether the liquid level detectors are
damaged. If necessary, replace the liquid
level detectors by referring to
Replacing a Liquid Level
Check the water inlet pipe and drainpipe and
their connectors, and repair or replace them
based on site requirements.
 Verify that the doors, windows, floors,
and ceilings of the equipment room are
properly sealed.
 If the outdoor humidity is too high, shut
down the fresh air system.
 Open the aisle doors or control skylights
of the data center, or open the filler panels
of some server cabinets.
Use the cold aisle containment to control the
humidity.
Add extra dehumidifiers.
4 Troubleshooting
5.3.1.3 Replacing a
5.3.1.7
Detector.
23