Replacing An Spd Module In The Power Distribution Cabinet - Huawei IDS1000-A Maintenance Manual

IDS1000-A Air-Cooled Container Data Center
All-in-One Maintenance Guide
5.1.3 Replacing an SPD Module in the Power Distribution
Cabinet
Prerequisites
Do not replace a surge protection device (SPD) module during a thunderstorm.
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Impact on the System
None
Preparations
Tools: Phillips screwdriver, flat-head screwdriver, electrical tester pen
Material: spare SPD module
Documents required: PDC user manual
Skill requirement: electrician's work permit
Procedure
Step 1 Remove the protective panel of the SPD module.
Avoid touching any charged body when removing the 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 module.
to detect the voltages.
Issue 01 (2016-01-10)
An SPD module is faulty.
A spare SPD module of the same model is available and functional.
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5 Parts Replacement
Figure 5-2 shows how
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