7.5 Drive Replacement
♦ Replacing the Drive
W ARNING!
E le c tric a l S h o c k H azard. D o n o t c o n n e c t o r d is c o n n e c t w irin g w h ile the p o w e r is on. F a ilu re to c o m p ly can re s u lt in seriou s
p e rs o n a l injury. B e fo re s e rv ic in g the drive, d is c o n n e c t a ll p o w e r to the equipm ent. The in te rn a l c a p a c ito r re m a in s c h a rg e d eve n a fte r
th e p o w e r s u p p ly is tu rn e d off. A fte r s h u ttin g o ff the pow er, w a it fo r a t le a s t the a m o u n t o f tim e s p e c ifie d on the d riv e b e fo re to u ch in g
a n y com p on ents.
W ARNING!
E le c tric a l S h o c k H azard. D o n o t a llo w u n q u a lifie d p e rs o n n e l to p e rfo rm w o rk o n the drive. F a ilu re to c o m p ly c o u ld re s u lt in
s e rio u s injury. Installation, m a in te n a n ce , in s p e c tio n a n d s e rv ic in g m u s t b e p e rfo rm e d o n ly b y a u th o riz e d p e rs o n n e l fa m ilia r w ith
in sta lla tion , a d ju s tm e n t a n d m a in te n a n c e o f A C drives.
N OTICE:
D a m a g e to E qu ip m ent. O b se rve p ro p e r e le c tro s ta tic d is c h a rg e p ro c e d u re s (E S D ) w h en h a n d lin g the drive a n d circu it
boards. F a ilu re to c o m p ly m a y re s u lt in E S D da m a g e to the drive circuitry.
The following procedure explains how to replace a drive. This section provides instructions for drive replacement only.
To install option cards or other types of options, refer to the specific manuals for those options.
N OTICE:
W h e n tra n s fe rrin g a b ra k in g transistor, b ra k in g resistor, o r o th e r type o f op tio n from a d a m a g e d drive to a n e w re p la c e m e n t
drive, m a k e sure th e y a re w o rk in g p ro p e rly b e fo re re c o n n e c tin g them to the n e w drive. R e p la ce b ro k e n o p tio n s to p re v e n t im m e d ia te
b re a k d o w n o f the re p la c e m e n t drive.
1. Remove the terminal cover. Refer to
Terminal Cover on page 51
for details.
Note: The shape o f the terminal covers and the numbers o f the screws differ depending on the drive models.
Refer to Component
Names on page 29
for details.
F ig u r e 7 .2 7 D riv e R e p la c e m e n t: R e m o v in g t h e T e rm in a l C o v e r
2. Loosen the screws holding the terminal board in place. Remove the screw securing the bottom cover and
remove the bottom cover from the drive.
F ig u r e 7 .2 8 D riv e R e p la c e m e n t: R e m o v in g t h e C o n tr o l T e rm in a l B o a rd
YASKAWA ELECTRIC SIEP C710616 33D YASKAWA AC Drive L1000A Technical Manual
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