Symptom
Possible Cause
Solution
The
humidity of
the
computer
room is
high, or
condensate
water
generates.
The server heat load for each
smart cooling product is lower
than 5 kW.
● Check that the doors,
windows, floors, and ceilings
of the equipment room are
properly sealed.
● If the outside environment
humidity is too high, shut
down the fresh air system.
● In modular datacenter, open
the modular doors and
ceilings, or open some false
panel on the IT rack.
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.
The
compressor
switch trips
abnormally
.
The switch is faulty.
Replace the compressor switch.
The electric
heating
belt of the
crankcase
does not
heat.
1. The electric heating belt of
the crankcase is
disconnected abnormally.
2. The fuse has blown.
3. The electric heating belt of
the crankcase is short-
circuited abnormally, and
the fuse has blown.
1. Replace the electric heating
belt of the crankcase.
2. Replace the fuse.
3. Replace the electric heating
belt of the crankcase and the
fuse.
NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual
9 Troubleshooting
Issue 05 (2020-10-10)
Copyright © Huawei Technologies Co., Ltd.
219
