Replacing An Ambient Temperature And Humidity Sensor - Huawei TP48200A-HT19C4-1 User Manual

TP48200A-HT19C4-1 and TBC300A-TCA2 Telecom
Power
User Manual
Follow-up Procedure
Send the replaced TEC for repair.

4.4.10 Replacing an Ambient Temperature and Humidity Sensor

Prerequisites
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Procedure
Step 1 Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD
gloves.
Step 2 Remove the ambient temperature and humidity sensor cable from the user interface module
(UIM), as shown in Figure 4-21.
Figure 4-21 Removing the temperature and humidity sensor cable
Step 3 Remove the temperature and humidity sensor, as shown in Figure 4-22.
1.
2.
3.
Issue 03 (2019-11-15)
Prepare an ESD wrist strap, a pair of ESD gloves, an ESD box or bag, the cabinet door
key, and a maintenance tool kit.
Check that the new ambient temperature and humidity sensor is intact.
Hold down the button on the sensor and remove the sensor cover.
Unscrew the sensor base.
Record the positions where cables connect to the base and remove the cables.
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