Huawei PDU8000 User Manual page 141

PDU8000 Modular Precision Power Distribution Cabinet
User Manual (1100 mm Deep)
Figure 8-2 Remove the protective panel
Step 2 Switch off the SPD circuit breaker.
Step 3 Detect the L1, L2, L3, and N voltages to the PE using an electrical tester pen, and verify that
the faulty SPD has no voltage before replacing the faulty SPD.
detect the voltages.
Figure 8-3 Detecting the voltages
Step 4 Hold the faulty SPD and pull it out.
Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
8 Maintenance Guide
Figure 8-3 shows how to
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