Parts Replacement; Replacing An Indicator - Huawei PDU8000 User Manual

PDU8000 Modular Precision Power Distribution Cabinet
User Manual
Symptom
The indicators of
the monitoring
board module do
not light up.

9.5 Parts Replacement

This document describes only the replacement method for certain components. If a faulty
component to be replaced is not covered in this document, contact Huawei technical support.

9.5.1 Replacing an Indicator

Prerequisites


Procedure
Step 1 Open the PDC rear door, push out the fuse terminal block, and remove the fuse of the
indicator to open the circuit. For details about the fuse position and how to remove it, see
9.5.2 Replacing a
Step 2 Open the PDC front door, and open the indicator protection panel, as shown in
Figure 9-2 Opening the indicator protection panel
Step 3 Loosen the screw at the back of the indicator using a Phillips screwdriver, and remove the
cables, as shown in
Issue 01 (2016-02-27)
Possible Cause
 Cables are not properly connected.

The monitoring board is faulty.
Tools required: an electrical tester pen, Phillips screwdriver, key to the PDC cabinet door,
multimeter, step ladder, and a pair of insulating gloves
Material required: a spare functional indicator with the same model
Fuse.
Figure 9-3.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9 Operation and Maintenance
Solution
1. Replace the
monitoring board
module.
2. Contact Huawei
technical support.
Figure 9-2.
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