YASKAWA AO-A3 User & Installation Manual page 22

5 Installation Procedure
Install the Option
DANGER! Electrical Shock Hazard. Do not inspect, connect, or disconnect any wiring while the drive is
energized. Failure to comply will cause death or serious injury. Before servicing, disconnect all power to the
equipment and wait for at least the time specified on the warning label. The internal capacitor remains
charged even after the drive is de-energized. The charge indicator LED will extinguish when the DC bus
voltage is below 50 Vdc. When all indicators are OFF, measure for unsafe voltages to confirm the drive is
safe.
1.
Shut off power to the drive, wait the appropriate amount of time for voltage to
dissipate, confirm all charge indicator LEDs extinguish, then remove the front cover
(D) including the keypad (E).
Refer to the manual packaged with the drive for details on cover removal.
NOTICE: Observe proper electrostatic discharge (ESD) procedures when handling the option, drive, and
circuit boards. Failure to comply could cause ESD damage to circuitry.
Figure 11
AO
22
Move the keypad connector to the holder on the
drive after removing the keypad and before removing
the front cover. Insert the keypad connector tab into
the holder when installing the keypad connector to
the holder.
Keypad connector tab
Keypad connector
Figure 11 Remove the Front Cover Including Keypad
YASKAWA ELECTRIC TOBP C730600 79C YASKAWA AC Drive Option AO-A3 Installation Manual
Holder
D
E