NetCol5000-A020 Air Cooled In-row Precision Air
Conditioner
User Manual
5 System Operation and Maintenance
Issue 01 (2014-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
98
5.5.7 The Water Overflows the NetCol5000-A020
Possible Causes
Drainpipes are not properly connected.
The float is faulty.
The inlet pipe and drainpipe leak.
The drainpipe is blocked.
Procedure
Step 1
Check whether the drainpipes are connected properly.
If no, connect the drainpipes and check whether the fault is rectified.
−
If yes, troubleshooting is complete.
−
If no, go to
Step 2
.
If yes, go to
Step 2
.
Step 2
Check cables to the high and low water level floats, whether the water level floats are
damaged or locked.
If yes, replace or adjust the water level floats and check whether the fault is rectified.
−
If yes, troubleshooting is complete.
−
If no, go to
Step 3
.
If no, go to
Step 3
.
Step 3
Check whether the inlet pipe and drainpipe leak.
If yes, rectify any leakage and check whether the fault is rectified.
−
If yes, troubleshooting is complete.
−
If no, go to
Step 4
.
If no, go to
Step 4
.
Step 4
Check whether the drainpipe is blocked by obstacles or water scale.
If yes, close the water injection port and drain the water out from the water pan. After
cleaning up the drain impurities to check whether the fault is rectified.
−
If yes, troubleshooting is complete.
−
If no, go to
Step 5
.
If no, go to
Step 5
.
Step 5
Contact Huawei technical support.
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5.5.8 The T/H Sensor Cannot Detect the Humidity and
Temperature
Possible Causes
Parameter settings on the controller are incorrect.
