Samsung RB31FEJNB Series Service Manual page 45

4. TROUBLESHOOTING
5. Forced FR-defrost
6. Test Cancellation Mode
3-1) When turning the display panel into the Test mode and pressing the TEST button once more during
the Forced FR-Defrost, the Forced FR-Defrost will be cancelled and it will go back to the normal
operation. Also, when the unit is plugged out and in again, the Test mode is to be deactivated
2-1) When it is on the Forced R-defrost during the Test Mode, press
any button once. Then, Forced R-defrost will stop immediately
and it will go into the Forced FR-Defrost. when it enters the
Forced FR Defrost, it indicates that it is on the Forced FR-defrost
mode by turning on "3℃" temperature LEDs on the Fridge Display
Panel and "-19℃" temperature LEDs on the Freezer Display
Panel
2-2) At this time, it sends out "Beeping" sound for 2 seconds. This
alarm sound repeats 0.5 sec On and 0.5 sec Off which keeps on
until the Forced FR-Defrost finishes
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