Yaskawa i80M Maintenance Manual - Manual (Page 201)

(1) Removal
(a)
(b)
(c)
Check that AC input power is not supplied [the
SOURCE indication lamp (green ) of the power unit
is off], then pull out the cable of model
connected to CNB of the keyboard.
Loosen the mounting screws and remove the CRT
cover from the control panel.
Loosen the mountin screws and remove model
from control panel.
(2) Installation
See the figure for the exterior of the function
keyboard.
(a) Check the model and REV number of the replacement
function keyboard for con sistenc y.
(b) Install model on the control panel.
(c) cover on the control panel.
Insert the model cable into the original
position of the keyboard.
(3) Checking Functions After Replacement
(a) Check that and outputs are not
shorted due to overloading.
Apply the first power and second power again and
check that no alarm occurs.
(c) Check that keys on the control panel can be
operated.
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