Samsung RS257BABB Service Guide - Page 30
Forced Operation Function Pull-down / Refrigerator Defrost / Refrigerator . Freezer-Defrost /
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Operation Function 9-11) Forced Operation Function (Pull-down / Refrigerator Defrost / Refrigerator . Freezer-Defrost / Cancellation) q This function enables a pull-down mode, a defrost mode for the refrigerator only, a defrost mode for the freezer and the refrigerator at the same time, and a cancellation of this function. q Press Power Freeze and Fridge Temp. buttons for 8 seconds simultameously to get in the ready mode for a forced operation. q The display panel will return to normal after 20 seconds in the ready mode. q At the ready mode, press any button(except Ice Type and Child Lock) once to start a pull-down operation, twice for a defrost cycle for the refrigerator, three times for a defrost cycle for the freezer and the refrigerator, and finally four times for cancellation of this function. q Another way to cancel this function is to simply plug out and in the power cord. 1) Pull-down Operation 1-1) At the ready mode, press any button once then the buzzer will beep (ON for 1/2 second and OFF for 1/2 second) until this mode is cancelled. 1-2) At this pull-down mode, the compressor will start immediately (No 5 minute delay) and if the system is in the defrost cycle, it will be cancelled right away. note) If this pull-down mode begins right after the compressor was off, the compressor may not start to run due to an overload condition. 1-3) At this mode, the compressor and freezer fan will operate continuously for 24 hours and the refrigerator fan will be on and off according to the set temperature(34℉) 1-4) After 24 hour operation, the system will be cycled at -14℉ for the freezer and 34℉ for the refrigerator. 1-5) In order to cancel this mode at any time, select the next mode on the ready mode or power off the system. 2) Defrost operation 2-1) At the pull-down mode, press any button again on the ready mode to begin the defrost cycle for the refrigerator. 2-2) The beep sound continues for 3 second at the beginning, then ON for 3/4 seconds and OFF for 1/4 second until this mode cease. 2-3) After this operation, the system will come back to normal operation. 2-4) At this mode, press any button again on the ready mode to operate the defrost cycles for both compartments. 2-5) The beep sound continues for 3 seconds at that time, then ON for 1/4 second and OFF for 3/4 seconds until the defrost operation cease. 3) Cancellation 3-1) At the R,F-Defrost mode, press ant button again on the ready mode to return to a normal operation. 3-2) Simply unplug the power cord, then plug it again to return to a normal operation. 30