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FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
Procedure
Step 1 Remove the protective panel of the SPD.
Avoid touching any charged body when removing the panel.
Step 2 Switch off the upstream 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.
Figure 5-1 Detecting the voltages
Step 4 Hold down the faulty SPD module and pull it out.
Figure 5-2 Replacing an SPD module
Step 5 Install the spare SPD module, and switch on the SPD circuit breaker.
Issue 04 (2018-01-05)
If there is a faulty SPD module, it is recommended that all SPD modules be replaced.
If the SPD module cannot be pulled out, use a tool such as a flat-head screwdriver to lever it out.
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