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3. Ensure the jumper is on the right configuration depending on the FX9 version you use:
a. For FX925SC-ING & FX925SF-ING, the jumper must be plugged.
b. For FX915SC-ASK & FX925SC-TT, the jumper must be removed.
Finally, replace the lid, as shown in the image below, to hide the wiring and protect the access to
the terminal block and fuse.