YASKAWA SI-EM3D Installation Manual page 36

5 Installation Procedure
DANGER
energized drive. Before servicing, disconnect all power to the equipment and wait for the time specified on
the warning label at a minimum. The internal capacitor stays charged after the drive is de-energized. The
charge indicator LED extinguishes when the DC bus voltage decreases below 50 Vdc. When all indicators
are OFF, measure for dangerous voltages to make sure that the drive is safe. If you do work on the drive
when it is energized, it will cause serious injury or death from electrical shock.
1.
Remove the keypad (B) and front cover (A).
Shut off power to the drive and wait for the time specified on the drive warning
label at a minimum. Make sure that the charge indicator LED is unlit, then remove
the keypad and front cover. Refer to the drive manuals for more information.
NOTICE
you observe correct electrostatic discharge (ESD) procedures. If you do not follow
procedures, it can cause ESD damage to the drive circuitry.
A - Drive front cover
Figure 5.21 Remove the Front Cover and Keypad
36
Electrical Shock Hazard. Do not examine, connect, or disconnect wiring on an
Damage to Equipment. When you touch the option, make sure that
B - Keypad
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