Toshiba TOSVERT VF-MB1 Instruction Manual page 22

(4) Removing the power terminal cover (VFMB1-4055 to 4150PL)
1)
Insert a screwdriver or other thin object into the
hole indicated with the mark.
3)
While pressing on the screwdriver, slide the
terminal cover downward to remove it.
2)
Press in on the screwdriver.
★ After wiring is complete, be sure to restore the
terminal cover to its original position.
A-9
E6581697
1