Samsung NX58H5650WS Service Manual page 69

4. Troubleshooting
4-5 Control Malfunction
Membrane keypads not working properly (Electrical)
Membrane control
keypads not
working properly.
*Make sure the Door lock
feature is not turned on .
Ok
*Make sure the Sabbath feature is
not turned on.
Ok
*Check the membrane control
tail connector[CN301]
Ok
* Replace the membrane.
END
No
*Press the Start/Set keypad for
three or more seconds.
*Press the Timer On/Off and
No
Clock for three or more seconds
at the same time.
No
*Reconnect securely.
CN301
67
END
END
END