Huawei NetCol8000-A Maintenance And Troubleshooting Manual page 17

Indoor Unit - Electric Control Sys
tem
Semiannual Maintenance (3)
Inspection
No.
Method
Visual Check that the water sensor (optional component) is
9
inspection securely installed.
Check that the Water sensor a (optional) is securely
Visual installed and its probe is appropriately located, Figure 6-
10
inspection 4 shows the recommended
positions for installing Water sensors.
a: A Water sensor monitors resistance changes at terminals to check whether the foor is watery.
The resistance at the terminals becomes small if the terminals detect water or any other conductive
liquid. Keep the sensors far away from drain traps or foor drains and 2 m to 2.5 m away from the
NetCol8000-A. Do not install the sensors directly under the
NetCol8000-A
Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved.
Operations Troubleshooting
N/A
Replace the
components
or cables.
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