Do not replace an AC SPD module during a thunderstorm.
Procedure
Step 1 Connect the ground cable to the ESD wrist strap and wear the ESD wrist strap and
ESD gloves
Step 2 Hold down the faulty AC SPD module and pull it out.
Step 3 Install a new AC SPD module.
Figure 4-53 Replacing an AC SPD module
Step 4 Disconnect the ground cable from the ESD wrist strap and take o the ESD wrist
strap and ESD gloves.
----End
Follow-up Procedure
Check that the alarm for the AC SPD is cleared.
iSitePower Integrated Smart Site (ICC1000-A1-E1)
User Manual 4 Maintenance
Issue 04 (2022-10-15) Copyright © Huawei Technologies Co., Ltd. 158
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