Huawei FusionModule1000A40 ICT Solution Maintenance Manual page 68

FusionModule1000A40 ICT Solution
Maintenance Guide
Impact on the System
None
Preparations
Tools: Phillips screwdriver, multimeter
Materials: spare indicator
Documents: none
Skill requirement: electrician's work permit
Procedure
Step 1 Switch off the protective miniature circuit breaker (MCB) or fuse.
Step 2 Replace the indicator if no voltage is detected by using a multimeter.
Step 3 Loosen the screw at the rear of the indicator and remove the conducting wire.
Figure 4-8 Removing an indicator
Step 4 Remove the retaining ring from the indicator and remove the indicator from the mounting
hole.
Step 5 Install a new indicator on the mounting hole, secure the retaining ring, reconnect the
conducting wire, and switch on the MCB.
----End
Follow-up Procedure
Dispose of the removed indicator that is confirmed faulty.
Issue 01 (2019-03-05)
When removing cables, label the cables with corresponding terminal ports for later connection.
Copyright © Huawei Technologies Co., Ltd.
4 Parts Replacement
61