Replacing A Surge Protection Module - Huawei FusionModule500 User Manual

FusionModule500 Smart Mini Data Center
User Manual (ECC800e)

4.5.2.2 Replacing a Surge Protection Module

Prerequisites
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Procedure
Step 1 Switch the SPD circuit breaker to OFF.
Step 2 Remove the protective panel of the SPD.
Step 3 Detect the L1, L2, L3, and N voltages to the PE using an electrical tester pen to check whether
there is voltage, as shown in
replacing the faulty surge protection module.
Figure 4-2 Detecting voltages
Step 4 Hold the faulty surge protection module and pull it out, as shown in
During replacement, do not touch the electriferous components in the power distribution
subrack.
Issue 07 (2019-12-20)
Do not replace a surge protection module during a thunderstorm.
Before replacing a surge protection module, wear protective insulation gloves.
Tools: protective insulation gloves, electroprobe.
Materials: A spare surge protection module of the same model is available and
functional.
Copyright © Huawei Technologies Co., Ltd.
Figure 4-2, and verify that the faulty SPD has no voltage before
4 Maintenance
Figure 4-3.
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