YASKAWA YASNAC i80 Maintenance Manual page 167

(d) Check visually that the fuse is not blown.
(e) Insert the module in line with the guide of the NC
rack and tighten mounting screw.
(f) Insert the CN26 and CN27 cables into the original
positions.
( 3 ) C h e c k i n g F u n c t i o n s A f t e r R e p l a c e m e n t
Check that +5V, + 12V, and +24V outputs are not
(a)
shorted due to overloading.
(b) Apply the first power and second power again and
check that no alarm occurs.
157