8-3) Buzzer Alarm Function; 8-4) Defrosst Function - Samsung RB1855SW Service Manual

Operation Function
5) Sabbath function
5-1) It will turn to sabbath function if you press freezer and refrigerator temperatune
button together for 5 seconds.
5-2) When turned to sabbath function, all of the front display of LED turn off.
5-3) The light will not switch on even when the door is opened, and if it was switched on
then it will switch off.
5-4) To cancel the operation, you have to press freezer and refrigerator temperature
button together again for 5 seconds.
❈ This function is used only in special area.

8-3) Buzzer alarm function

1) Touch button type (ding-dong sound)
1-1) there is "ding-dong" sound to confirm input periodically for each one second for
button operation in each control panel.
1-2) key recognition is within 0.2 sec and "ding" sound beeps in continuous key
recognition.
1-3) key recognition sound will first activate in other information.
2) Alarm when door is open
2-1)Alarm melody will run if door of freezer or refrigerator is open for 2 minutes or more.
2-2) If door continue to remain open alarm will run periodically.
2-3) Alarm will immediately stop when door is closed.
3) Forced running alarm and forced defrost alarm (beep sound).
3-1) If forced running, or defrost is chosen, there is a beep sound.
3-2) Once you press forced running test button, it will beep until you choose cancellation
or it cancel automatically (0.25sec ON/0.75sec OFF)
3-3) It will beep even during defrost is complete (include paused time) or until cancel
button is pressed.
3-4) During forced running alarm runs 0.1sec on and 1sec off, and during forced defrost
alarm runs as well 0.5sec on and 0.5sec off.
8-4) Defrost function
1) Once power is on and COMP is ON for 4 hours, both refrigerator and freezer starts to
defrost at the same time.
2) When the defrost time is reached, F-Fan and COMP runs pre-cooling for 30 minutes and
starts heating activity then the pause time is operated about 8 ~12 minutes(10±2minutes).
3) Actual defrost period is from minimum 6 hours up to maximum 7 hours, and freezer
compartment defrost period is from min. 12 hours up to max. 14 hours instantaneously
(COMP ON for additional period).
4) The decision of defrost period is maded by the ambient temperature and the count of
door open and the length of door open time.
5) Defrost periods memorize these information at MICOM as a case per hour. Therefore,
case of defrost period distinguishes per hour.
6) Influences of count and length of door open for time distinguisher get checked from the
door switchs of refrigerator compartment and freezer compartment.
7) When the system runs only for the refrigerator (R-Fan and COMP) and if the refrigerator
can not reach the set temperature within 2 hours, an R-defrost process will begin.
8) After 7) is proceeded, the concurrent defrosting of freezer and refrigerator start after 4
hours 4 hours running of COMP.
9) If defrost operation is reached during quick freeze operation, quick freezer operation is
finished first and then defrost operation is proceeded.
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