Replacing The Heater - Huawei TP48200A-DT19D1 Telecom Power User Manual

TP48200A-DT19D1 Telecom Power
User Manual
Step 3 Unscrew the door status sensor, as shown in Figure 4-28.
Figure 4-28 Removing the door status sensor
Step 4 Remove the shell of the new door status sensor and remove the screws from the alarm cables.
Step 5 Properly place the new door status sensor at the installation position and tighten the screws.
Step 6 Place the alarm cables in sequence and secure the screws.
Step 7 Reinstall the shell of the door status sensor.
----End
Follow-up Procedure
Check that the door status alarm is cleared.

4.4.15 Replacing the Heater

Prerequisites


Make sure the heater circuit breaker is in the off state before replacing it.
Procedure
Step 1 Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD
gloves.
Issue 03 (2019-11-15)
You have obtained an ESD wrist strap, a pair of ESD gloves, the cabinet door key, and
tools.
The new heater is intact.
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance
78