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TP48200A-DX08A1 and TP48200A-DX08A2 Telecom
Power
User Manual
4 Maintenance
Issue 06 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
55
Procedure
Step 1
Unscrew and remove the air filter, as shown in Figure 4-15.
Figure 4-15
Removing an air filter
Step 2
Place the air filter based on the instructions on the air filter (the labeled side faces upwards,
and the side with a rubber strip faces the cabinet door). Tighten screws to secure the air filter.
----End
4.4.9 Replacing a Heater
Prerequisites
You have obtained an ESD wrist strap, a pair of ESD gloves, the cabinet door key, and a
tool kit.
The new heater is intact.
Before you replace the heater, ensure that the heater circuit breaker is OFF.
Procedure
Step 1
Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD
gloves.
Step 2
Switch off the heater circuit breaker on the AC PDU.
Step 3
Record the positions of cables on the heater, and disconnect all the cables.