Yaskawa i80M Maintenance Manual - Manual (Page 183)

(c) Insert the module in line with the guide of the NC
rack and tighten mounting screw.
(d) Insert the CN43 cable into the original position.
(3) Checking Functions After Replacement
(a) Check that 12V, and outputs are not
shorted due to overloading.
(b) Apply the first power and second power again and
check that no alarm occurs.
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