Identifying Pdu Faults; Replacing Components; Replacing A Rectifier - Huawei ETP4830-A1 User Manual

ETP4830-A1
User Manual

7.3.3 Identifying PDU Faults

Table 7-4 Identifying PDU faults
Symptom
Load disconnection
Battery disconnection

7.4 Replacing Components

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7.4.1 Replacing a Rectifier

Prerequisites
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Protect yourself from being burnt when moving the rectifier because the rectifier has a high
temperature.
Procedure
Step 1 Put on protective gloves.
Step 2 Push the locking latch at the right side of the panel towards the left.
Issue 06 (2014-02-20)
Ensure that loads are supplied with power when replacing major components. For example,
keep the switches for primary loads in the ON position, and do not turn off the battery
switch and AC input switch at the same time.
Seek the customer's prior consent if load disconnection is required.
Rectifiers and the SMU are hot-swappable.
Prepare a pair of protective gloves, the cabinet door key and maintenance tool box.
Check that the new rectifier is intact.
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Cause
The positive and negative
cables of the load are
reversely connected.
The positive and negative
cables of batteries are
reversely connected.
7 Maintenance
Measures
Ensure that the positive and
negative cables are properly
connected.
Ensure that the positive and
negative cables are properly
connected.
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