The power supply PCB is equipped with an over-current/over-voltage protection mechanism to prevent damage to the power circuit in the event of an over-current

or over-voltage, as caused by a short circuit or the like on the load side.

If the over-current/over-voltage protective mechanism has gone ON, disconnect the power cord, and correct the fault; then, connect the power cord once gain to

reset the machine. If short circuiting and resetting are repeated, the internal fuse (F1, F2) can melt.

9-3

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