Replacing Components; Replacing A Rectifier - Huawei ETP4830-A1 User Manual

ETP4830-A1 Embedded Power
User Manual
Symptom
The Alarm indicator (red) is
steady on.

7.4 Replacing Components

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7.4.1 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
Issue 10 (2017-08-08)
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.
Protective gloves and the cabinet door key are available.
The new rectifier is intact.
7-1.
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Cause
A major or critical alarm has
been generated.
7 Maintenance
Corrective Measures
Query the active alarm on
the host or SMU LCD to
identify the fault.
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