Replacing An Alarm Indicator - Huawei New Main Way 2.0 User Manual

New Main Way 2.0
User Manual
Step 16 Check that the power supply and distribution of the system are normal.
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8.8 Replacing an Alarm Indicator

Prerequisites
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Procedure
Step 1 Remove the communications cable and the DC power cable from the general
input unit and mark the installation position.
Step 2 Remove the protective covers from the general input unit.
Figure 8-20 Removing the protective covers
Step 3 Remove the fuse that protects power supply for the monitoring board.
Figure 8-21 Removing the fuse
(1) Fuse
Issue 05 (2020-10-15)
Tools: step ladder, Phillips screwdriver
Material: a new indicator of the same model
Before the replacement, ensure that the load services are not affected or
obtain written consent from the customer.
Copyright © Huawei Technologies Co., Ltd.
(2) Indicator
8 Parts Replacement
66