11-9) Defrost Function; 11-10) Test Function - Samsung RB215BSSB Service Manual

Temp Control &Operation Functions

11-9) Defrost Function

1) The F/R-Room defrost depends on the accumulated comp-on time.
2) With the initial power on,defrost starts at the both rooms after 4 hour accumulated comp-on time.
3) The defrost cycle can be changed from Min 6 hours to Max 7 hours according to various conditions.
4) The defrost cycle depends on the ambient temperature,the frequency of F/R-Door open and the duration of
the F/R-Door open.
5) The Defrost Heater Off temperatures are compared using the temperature values of R-Defrost Sensor and
F-Defrost Sensor and they are as follows.
Defrost Start
Lower than 50℉(10℃)
Defrost Restoration Temp
Note
Defrost restoration temperatures could be changed without notice for the purpose of performance
improvements.

11-10) Test Function

�This function is for PCB,Product and Process Test, and SVC.
�After checking the product functions by selecting Test S/W,turn on the power again.
1) Forced Operation Function
1-1) When the Super Cool button and the Fridge button on the display panel are pressed for 8 seconds
simultaneously,the display panel will be shifted to the Test Setting Mode and all the LEDs will be off.
1-2) When any of Super Freeze,Super Cool,Freezer and Fridge buttons is pressed within 15 seconds with the
display panel shifted to the Test Setting Mode, it will be selected in the order of Forced Operation →
Forced R-Defrost → Forced F/R-Defrost → Cancel.
1-3) When there is no button press within 15 seconds after the display panel is shifted to the Test Setting
Mode,it will go back to the previous display mode.
1-4) When the Test Setting Mode is selected or cancelled,it will send out a "BEEP"sound.
1-5) When Forced Operation is selected,the F-Room LED will display "FF"and the R-Room LED will display its
real compartment temperature.
But, when it passes more than a minute with Forced Operation selected,and then Forced Defrost or Test
Cancellation is selected,the temperature setting will not be changed (maintaining -14 ℉and 34℉)
When Forced Defrost or Test Cancellation is selected within a minute after Forced Operation is
selected,the Notch will go back to the previous notch setting.
1-6) During Forced Operation,the Full-Down function will be maintained only for 24 hour s.Af t er t hat, it will go
in to normal operation after carrying out F/R-Defrost automatically.
R-Room
Lower than 23℉(-5℃)
62.6℉(17℃)
F-Room
53.6℉(12℃)
Display for Forced Operation
Display for Forced Operation and How to
Turn it On ① (Press for 8 seconds
simultaneously) + ② All LEDs Off, Press
one of the following buttons (Super
Freeze, Super Cool,Freezer, Fridge Key)
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