9-7) Power Failure Compensating Function; 9-8) Exhibition Function; 9-9) Self-Diagnostics Function - Samsung RB1855SW Service Manual

Operation Function

9-7) Power failure compensating function

1) When the freezer temperature is lower than 50℉, all functions on the display panel will be restored.
2) When the freezer temperature is higher than 50℉, all functions will be initialized.
(2℉ for the freezer, 38℉ for the refrigerator, and Cubed for the Ice Type)

9-8) Exhibition Function

This function is for a display purpose on the floor of show room or store.
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1) Mode ON/OFF
1-1) For the exhibition mode, press Power Freeze and Freezer Temp. buttons simultaneously for 5
seconds until a "ding-dong" sounds.
1-2) Press the same time buttons again for 5 seconds to cancel this mode put with a "ding-dong"
sound.
2) Operation
2-1) Most of the system function except the compressor operation are working properly.
2-2) There is no defrost cycle in this mode.

9-9) Self-Diagnostics function

1) Self-Diagnostics in the initial Power ON
1-1)The control board performs a self diagnostics test within 1 second and check out the temperature
sensors abilities.
1-2) If a sensor failure occurs, a corresponding LED segment will blink.
1-3) When a LED segment blinks, only the cancellation function (Press Power Freeze and Power Cool
buttons simultaneously for 8 seconds) is acceptable.
1-4) After a replacement of bad sensor or a cancellation of this function, this self diagnostics will end.
2) Self-Diagnostics in the normal operation
2-1) To select this function, press Power Freeze and Power Cool buttons simultaneously for 5 seconds
with an audible tone.
2-2) In the self diagnostic mode, only corresponding LED segments will be illuminated (see the check
list on)
2-3) After a 30 second illumination of error signal, the system will return to the normal operation.
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