Samsung NX58H9500WS/AA Service Manual page 74

Touch Keypad is not working properly
Touch control
keypads are not
working properly.
Make sure the Door lock feature
is not turned on .
Make sure the Sabbath feature
is not turned on.
Check the display control tail
connector[CN201]
Replace the display PCB.
END
Ok
Ok
Ok
Key Connector
(CN201)
No
Touch the Start/Set keypad
for three or more seconds.
Touch the Timer and Clock
No
for three or more seconds
at the same time
No
Reconnect securely
<Assy display PCB>
74
END
END
END