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Operation Maintenance Class issues >>there is an alarm “full water”
A customer get a new SR for their product （NetCol5000-A0102）. There are two alarm （full water ） such as the follow picture：
1、 Frist read <NetCol5000-A 11 kW Air Cooled In-row Precision Air Conditioner User Manual>, And Find the corresponding alert troubleshooting guide. So we deal with it as guide. But it didn't work out. So we deal with it used other ways.
2、 Need to open the back door of Rack，and removing a return air filter
3、 Check the water sink，whether the water is full？
4、 On the Diagnostic Mode Parameters page, check the water pump ctrl status and low liquid level detector status. Such as this picture.
5、 Finding the liquid level detectors，and check if it float UP.
6、If the liquid level detectors not floating up when there are have full water in the water sink. Lift the low liquid level detector. After 5 seconds, you will hear the water pump perating sound.
7、 You need to check the water pump ctrl status in the display. Whether the pump state convert from closed to open. And whether low liquid level detector and high liquid detector d level is triggered, there are changed status.
8、 Waiting five minutes later, the water in the water sink has been discharged.
9、 Add water to float in water sink. The low liquid level detector is floating. After 5 seconds, you will hear the water pump operating. And the water is down.
1、 Liquid level detectors is jammed with a foreign object.
2、 The User Manual and Installation Guide did not tell the engineer that a full water test was required.
is recommended that no engineers be told to increase the full water test in the User Manual and Installation Guide