7.4 Drive Cooling Fans and Circulation Fans
5. While pressing in on the hooks located on the left and right sides of the fan cover, free the fan cover by lifting the
back end first.
F ig u r e 7 .1 2 R e a tta c h t h e F a n C o v e r: 2 A 0 0 8 5 , 2A 0115, 4 A 0 0 4 5 , 4 A 0 0 6 0
6. Turn the power supply back on and reset the cooling fan operation time for the Maintenance Monitor by setting
o4-03 to 0.
♦ Cooling Fan Replacement: 4A0075, 4A0091
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 hile th e 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 after
the 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 drive b e fo re to u ch in g
a n y com ponents.
CAUTION!
B u rn H azard. D o n o t to u ch a h o t drive heatsink. F a ilu re to c o m p ly c o u ld re s u lt in m in o r o r m o d e ra te injury. S hu t o ff the
p o w e r to the drive w h en re p la c in g th e c o o lin g fan. To p re v e n t burns, w a it a t le a s t 15 m in u te s a n d e n s u re the h e a ts in k h a s coo le d
down.
N OTICE:
E q u ip m e n t H azard. F o llo w c o o lin g fan re p la c e m e n t in stru ction s. The c o o lin g fa n c a n n o t o p e ra te p ro p e rly w h en it is in s ta lle d
in c o rre c tly a n d c o u ld s e rio u s ly da m a g e the drive. F o llo w the in s tru c tio n s in th is m a n u a l to re p la c e the c o o lin g fan, m a k in g sure th a t the
la b e l is on top b e fo re in s e rtin g the c o o lin g fan in to the drive. To e n s u re m a x im u m u s e fu l p ro d u c t life, re p la c e b o th c o o lin g fan s w hen
p e rfo rm in g m ainten ance .
■ Removing the Cooling Fan
1. While pressing in on the hooks located on the left and right sides of the fan finger guard, free the fan finger guard
by lifting the back end first.
F ig u r e 7 .1 3 R e m o v in g t h e C o o lin g F a n C o v e r: 4 A 0 0 7 5 , 4A 0091
2. Lift up directly on the cooling fan as shown in
Figure 7.14.
Unplug the relay connector and release the fan from
the drive.
F ig u r e 7 .1 4 R e m o v in g t h e C o o lin g F a n : 4 A 0 0 7 5 , 4A 0091
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YASKAWA ELECTRIC SIEP C710616 33D YASKAWA AC Drive L1000A Technical Manual