Replacing A Smoke Sensor - Huawei TP48200A-HT19C4-1 User Manual

TP48200A-HT19C4-1 and TBC300A-TCA2 Telecom
Power
User Manual
Figure 4-22 Removing the ambient temperature and humidity sensor
Step 4 Install a new ambient temperature and humidity sensor.
1.
2.
3.
Step 5 Reconnect the ambient temperature and humidity sensor cable to the UIM.
Step 6 Disconnect the ground cable from the ESD wrist strap, and take off the ESD wrist strap and
ESD gloves.
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4.4.11 Replacing a Smoke 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 smoke sensor, as shown in Figure 4-23.
1.
2.
Issue 03 (2019-11-15)
Reconnect the removed cables to the new sensor base based on the recorded information.
Tighten the screws and secure the sensor base onto the cabinet.
Properly place the sensor and secure it to the base.
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 smoke sensor is intact.
Remove the connected cables from the smoke sensor.
Hold down the button on the smoke sensor and push the smoke sensor in the OPEN
direction.
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