Replacing Components; Replacing A Rectifier - Huawei TP48200A-HX09A2 User Manual

TP48200A-HX09A2, TBC300A-TCA2 Outdoor Power
System
User Manual
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4.4 Replacing Components

4.4.1 Replacing a Rectifier

Prerequisites
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Protect yourself from being burnt when removing the rectifier as it has a high temperature.
Procedure
Step 1 Put on protective gloves.
Step 2 Unscrew the rectifier panel using a screwdriver.
Step 3 Gently pull the handle outwards, and then remove the rectifier from the subrack, as shown in
Figure
Figure 4-1 Removing a rectifier
Issue 02 (2019-02-26)
The SMU breaks down or cannot be started. Its LCD has abnormal display or buttons
cannot be operated.
With alarm reporting enabled, the SMU does not report alarms when the power system is
faulty.
The SMU reports an alarm when the power system is not faulty.
The SMU fails to communicate with the connected lower-level devices even though the
communications cables are correctly connected.
Communication between the SMU and all rectifiers fails even though the rectifiers and
the communications cables are normal.
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.
You have obtained an ESD wrist strap, a pair of protective gloves, an ESD box or bag,
and the cabinet door key.
The new rectifier is intact.
4-1.
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