Huawei NetCol5000-A025 User Manual page 235

NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width)
Symptom
The humidity of the
equipment room exceeds
the upper threshold or
condensate exists.
Table 6-8 Humidifier troubleshooting measures
Symptom
Water spouts when it is
injected into the
humidifier cylinder for
the first time.
Issue 15 (2020-12-10)
Possible Cause
The water level detector
is faulty.
The water inlet pipe or
drainpipe leaks.
The self-drainpipe is
blocked.
For a single smart
cooling product, the
thermal load of each
server cabinet is less
than 5 kW.
Possible Cause
Bubbles exist in the
water inlet pipe when
water is injected into
the humidifier for the
first time.
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6 System Operation and Maintenance
Solution
Check alarms displayed
on the LCD as well as
the high and low liquid
level detectors and their
cable connections.
Replace the liquid level
detector if it is faulty.
Check the water inlet
pipe and drainpipe and
their connections. Rectify
any leaks and secure the
connectors.
Check that the self-
drainpipe is not blocked
or frozen.
● Make sure that the
doors, windows, floor,
and ceiling of the
equipment room are
well sealed.
● If the outdoor
ambient humidity
exceeds the upper
threshold, shut down
the fresh air system.
● Open the aisle doors
and control skylights
of the smart module,
or remove filler
panels from certain
server cabinets.
Measures
During the initial power-
on commissioning, gently
open the front valve.
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