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Abnormal
No.
phenomenon
There is a water
8
stain in the
cabinet.
There is water
9
leakage at the
cabinet bottom.
The EPO does
10
not act.
The signals
of the remote
11
sensors are
abnormal.
Possible cause
The humidity is too high.
The inlet water temperature
is too low.
The fan speed is too low.
abnormal.
Drainage pump is abnormal
The piping is abnormal.
The condensed water
The pipe system leaks.
The cabinet is not on a
leveled base.
The thermal insulating
rubber layer of pipe is
damaged.
The remote sensors are not
correctly located.
Elimination method
the data center's humidity or enable the
force mode to reduce the internal humidity
of the data center.
Adjust the water supply temperature of the
chiller (6-15 degrees are ideal).
Adjust the fan speed.
Make sure of the electric connection of the
are normal.
Inspect if the chilled water pipeline and
other pipelines are normal.
Observe if the water level in the
condensed water pan is too high, inspect
the condensed water pump, and make
sure the condensed water pipe (without
bending, damage or blockage) is correctly
connected and the draining is normal. If
upper piping is adopted, the vertical lift
Inspect and repair the leaking site.
Use the levelers to level the cabinet.
Inspect and repair the damage site.
1. Inspect if the wiring is correct.
2. Contact service personnel to see if the
Check the position of remote sensors.
45
Chapter 7
Troubleshooting
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