Samsung NX58M6850S Series Service Manual page 68

4. Troubleshooting
Failure Display Codes
Information code
C-F2
Check software version
Is the wire harness disconnected?
Connect the wire harness completely
Perform the operation again and
check if it is working property .
Meaning
Main↔Touch 1 .
communication
information
"C-F2"
Main : 1204
Touch : 02
Yes
Yes
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Solution
Check software version by pressing Keep Warm key
and 3 on number pad simultaneously for 3 seconds .
(Main : 1204 , Touch : 02)
No
Replace the PCB
No
Replace the PCB