Samsung RF23R6 Series Service Manual page 58

TROUBLESHOOTING
2) Self-diagnostic function during normal operation
2-1) "oP-Ch" code is repeatedly ON/OFF until Option error settles down.
① If Fridge Key + CoolSelectZone Key are pressed simultaneously for 10 seconds, the self-diagnosis function will be selected.
2-2) If Fridge Key + CoolSelectZone Key are pressed simultaneously for 6 seconds during normal operation, the temperature
setting display will operate for 4 seconds (ON/OFF 0.5sec each).
If Freezer Fridge Key + CoolSelectZone Key are pressed simultaneously for 10 seconds (including above 4 seconds),
selfdiagnostic function will be selected.
2-3) At this moment, self-diagnostic function will be returned with buzzer sound 'ding-dong'.
If there is an error, display of error will be operated for 30 seconds and then return to normal condition whether
problem is corrected or not. (Refer to self-diagnosis CHECK LIST)
2-4) Input by button is not accepted during self-diagnostic function.
①
①
CoolSelectZone
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