Symptom Possible Cause Solution
The liquid level detector is
faulty.
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.
The inlet pipe and drainpipe
leak.
Check the inlet pipe and
drainpipe and the connectors.
Rectify any leakage and fasten
the connectors.
The automatic drainage pipe
is blocked.
Check whether the automatic
drainage port is blocked and
whether the automatic drainage
pipe contains foreign matter or is
frozen.
The
humidity of
the
computer
room is
high, or
condensate
water is
generated.
The server heat load for each
smart cooling product is lower
than 5 kW.
● Verify that the doors,
windows, oors, and ceilings
of the computer 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 smart
module, or open the
ller
panels of some server
cabinets.
Power
failures
occur on
the active
and
standby
routes.
1. The input power has an
open phase.
2. The contactor fuse in the
active route is damaged.
3. The interlock contactor and
middle contactor are
damaged.
1. Rectify the power supply fault.
2. Replace the fuse.
3. Replace the interlock
contactor and middle
contactor.
The electric
heater
switch trips
abnormally
.
The switch is faulty. Replace the electric heater
switch.
The electric
heater
fails.
The electric heater contactor is
not closed.
Replace the electric heater
contactor.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 10 Troubleshooting
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 246
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