Samsung RB31FEJNB Series Service Manual page 44

4. TROUBLESHOOTING
3. Forced Operation Function 3
1-3) When the Forced Operation 3 is selected, the compressor and the F-Fan operate for 24 hours
without Stopping and F Valve is closed and F-Fan stop for 24 hours
1-4) When the unit is shifted to the Forced Operation, the Freezer and the Fridge temperatures will be
automatically set to -23℃ and 1℃ respectively.
1-5) When the Forced Operation is selected, the Power Freeze function won't work.
(All the buttons will operate normally.) And, when the Power Freeze function is selected, the Power
Freeze LED will go off in 10 seconds.
1-6) When the Forced Defrost or Test Cancellation Mode is selected within a minute with the Forced
Operation being selected, the set temperature will be changed to the previously set operating
temperature.
1-7) The alarm sound during the Forced Operation keeps on until the Forced Operation completes and
there is no cancellation function.
4. Forced R-defrost
1-1) When it is on the Forced Operation 2 during the Test Mode,
press any button once. Then, Forced Operation 2 will stop
immediately and it will go into the Forced Operation 3. when it
enters the Forced Operation 3, it indicates that it is on the Forced
Operation 3 mode by turning on "7℃" and "5℃" temperature
LEDs on the Fridge Display Panel and "-15℃" and "-17℃"
temperature LEDs on the Freezer Display Panel
1-2) When the Forced Operation is selected, the compressor starts
without a 10-minute delay in any operation mode.
At this time, when it is in a Defrost mode, it stops defrosting and
the Forced Operation begins. (If the Forced Operation begins as
soon as the compressor stops, it may cause the overload.
So, take care when entering into the Forced Operation.)
2-1) When it is on the Forced Operation 3 during the Test Mode,
press any button once. Then, Forced Operation 3 will stop
immediately and it will go into the Forced R-Defrost. when it
enters the Forced R Defrost, it indicates that it is on the Forced
R-defrost mode by turning on "5℃" and "3℃" temperature LEDs
on the Fridge Display Panel and "-17℃" 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 0.1 sec On and 0.9 sec Off which keeps on
until the Forced R-Defrost finishes
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