Samsung RF18A Series Service Manual page 66

CHECK THE INSTALLATION STATUS
3) Forced Defrost
3-1) When you press any key one more time at Manual Operation2 [OF r], rd lights up on the Display Panel. At this time, the
Manual Operation stops immediately and R-Defrost will be performed at the same time.
3-2) When you press any key one more time at Forced R-Defrost [rd], Fd lights up on the Display Panel. At this time, FR-
Defrost will be performed at the same time.
3-3) At this time, it will send out "Beep" sound for 2 seconds and then it will perform Forced F/R Defrost while sending out
"0.5 sec On and 0.5 sec Off" sound.
4) Test cancel mode
4-1) During the simultaneous defrosting of fresh food and freezer compartments, if the display panel change to the test
mode and test button is pressed one more time, defrosting of fresh food and freezer compartments will be canceled
and the unit will return to the normal operation.
Or, all test functions will be canceled by turning main power ON and OFF.
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