Huawei NetCol5000-A025 - Page 235

Symptom Possible Cause Solution
The water level detector
is faulty.
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.
The water inlet pipe or
drainpipe leaks.
Check the water inlet
pipe and drainpipe and
their connections. Rectify
any leaks and secure the
connectors.
The self-drainpipe is
blocked.
Check that the self-
drainpipe is not blocked
or frozen.
The humidity of the
equipment room exceeds
the upper threshold or
condensate exists.
For a single smart
cooling product, the
thermal load of each
server cabinet is less
than 5 kW.
● Make sure that the
doors, windows, oor,
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
ller
panels from certain
server cabinets.
Table 6-8 Humidier troubleshooting measures
Symptom
Possible Cause Measures
Water spouts when it is
injected into the
humidier cylinder for
the rst time.
Bubbles exist in the
water inlet pipe when
water is injected into
the humidier for the
rst time.
During the initial power-
on commissioning, gently
open the front valve.
NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width) 6 System Operation and Maintenance
Issue 15 (2020-12-10) Copyright © Huawei Technologies Co., Ltd. 225