7.4 Drive Cooling Fans and Circulation Fans
4. While pressing in on the hooks of the left and right sides of the fan cover, guide the fan finger guard until it clicks
back into place.
F ig u r e 7 .1 8 R e a tta c h t h e F a n C o v e r: 4 A 0 0 7 5 , 4A 0091
5. 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: 2A0145 to 2A0415, 4A0112 to 4A0216
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 and Disassembling the Cooling Fan Unit
1. Remove the terminal cover and front cover.
2. Remove the fan connector (CN6). Remove the fan connectors (CN6, CN7) in models 2A0346 and 2A0415.
2A0145, 2A0180,
4A0112, 4A0150
2A0215, 2A0283
4A0180, 4A0216
2A0346, 2A0415
A - F a n U nit
B - F a n R e la y C a b le
C - F a n C o n n e c t o r (CN6)
D - C ir c u la tio n F a n R e la y C a b le
E - F a n C o n n e c t o r (CN7)
F ig u r e 7 .1 9 C o o lin g F a n R e p la c e m e n t: F a n U n it a n d C o n n e c t o r s
3. Remove the screws holding the fan unit in place and slide the fan unit out of the drive.
F ig u r e 7 .2 0 R e m o v in g t h e F a n U nit: 2 A 0 1 4 5 t o 2 A 0 4 1 5 , a n d 4 A 0 1 1 2 to 4A 0 2 1 6
A
C
A
A
D
C
E
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YASKAWA ELECTRIC SIEP C710616 33D YASKAWA AC Drive L1000A Technical Manual