If there is a faulty surge protection module, it is recommended that all surge protection
modules be replaced.
Step 6 Switch on the SPD circuit breaker.
Step 7 Reinstall the protective panel.
----End
8.4.2 Replacing an Indicator
Prerequisites
● Tools: electrical tester pen, Phillips screwdriver, key to the PDC cabinet door,
multimeter, step ladder, and a pair of insulating gloves
● Materials: spare functional indicator with the same model
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 8.4.5 Replacing a Fuse.
Step 2 Open the PDC front door, and open the indicator protection panel.
Figure 8-4 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 Figure 8-5.
When removing cables, label the cables with corresponding terminal ports for later
connection.
PDU8000 Modular Precision PDC V2.0
User Manual 8 Maintenance Guide
Issue 04 (2021-04-13) Copyright © Huawei Technologies Co., Ltd. 123
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