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8.5 Replacing the AC surge arrester cartridge
WARNING – B Some inverter parts may be subject to hazardous voltages for the operator. Before performing any work on the
inverter, refer to “Inverter total de-energization and safe access” paragraph on this manual to know all the necessary step to
safely operate on the inverter.
The AC overvoltage SPD (22) are installed inside the wiring box (02).
Procedure for replacing one of the AC surge arrester cartridges:
WARNING – B Perform the “Inverter total de-energization and safe access” procedure before operate on the inverter.
• Open the front wiring box cover (07).
WARNING – B Do not open the power module cover (54) during the replacement operation.
• Remove the AC protective shield (27) by removing the M5 screw.
27
• Push the side snaps and pull out the cartridges.
22
• Insert the new cartridge in the empty slot.
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