Replacing Components; Replacing A Rectifier - Huawei Telecom Power TP48200A-DT19C2 User Manual

TP48200A-DT19C1, TP48200A-DT19C2,
TP48200A-HT19C1 and TP48200A-HT19C2 Telecom
Power
User Manual
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4.4 Replacing Components

 Performing maintenance or replacing components may interrupt power to the loads if
battery reserve is insufficient. Ensure that the switches for primary loads are in the ON
position and do not turn off the battery switch and the AC input switch at the same time.

Obtain prior written consent from the customer if load disconnection is required.

Do not perform maintenance on rainy days. Otherwise, rain water can enter the system and
damage devices and components.

4.4.1 Replacing a Rectifier

Prerequisites
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To prevent burns, exercise caution when removing a rectifier because the rectifier may be hot
as a result of continuous operation.
Procedure
Step 1 Wear protective gloves.
Step 2 Push the locking latch on the right side of the panel towards the left.
Step 3 Gently draw the handle outwards, and then remove the rectifier from the subrack, as shown in
Figure 4-1.
Issue 03 (2019-11-15)
The SMU cannot monitor AC or DC power distribution when communications cables are
intact and AC and DC power distribution is normal.
Parameters cannot be set or running information cannot be viewed on the SMU.
Protective gloves and the cabinet door key are available.
The new rectifier is intact.
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