Try running this macro:
Sub ResetFRParameters()
With Selection.Find
.ClearFormatting
.Replacement.ClearFormatting
.Text = ""
.Replacement.Text = ""
.Forward = True
.Wrap = wdFindContinue
.Format = False
.MatchCase = False
.MatchWholeWord = False
.MatchWildcards = False
.MatchSoundsLike = False
.MatchAllWordForms = False
.Execute
End With
End Sub