Samsung NX58M6850S Series Service Manual page 67

4. Troubleshooting
Failure Display Codes
Information code
C-F0
Check software version
Sub(display): 1204
Sub(fan cntrol) : 1201
Is the wire harness disconnected?
Connect the wire harness completely .
Perform the operation again and
check if it is working property .
Meaning
Main↔Sub
communication error
(continuous
communication failure)
"C-F0"
Main : 1204
Yes
Yes
END
Solution
1 . Disconnect power . Open the back cover .
Check whether harness has been connected with
main pcb and sub pcb
Main :CNS401 <-> Sub (DISPLAY) : CN200
Main : CN304 <-> Sub (FAN CONTROL) : CN500
2 . Check software version by pressing Keep Warm key
and 3 on number pad simultaneously for 3 seconds .
(Main : 1204 , Sub(DISPLAY) : 1204)
No
Replace the PCB .
No
Replace the PCB
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