from the SAM0069 Service Manual:
7-11) TEST (FORCED OPERATION / FORCED DEFROST)
When pressing Refrigerator temp set KEY and ICE TYPE KEY in PANEL PCB simultaneously for more than
PANEL DISPLAY will go off and it moves onto TEST MODE.
At this point, although Freezer/Refrigerator temp set KEY, Power freezing KEY, and ICE TYPE KEY are pressed, it operates by TEST KEY.
When pressing TEST KEY, Test function shall be changed in the order as Forced Operation ---> Forced
Freezer Defrost---> Cancellation(normal operation)---> Forced Operation.
If functions are canceled during the operation of TEST function, it is most desirable to turn off the power and turn it on again.
RS2630SW/XAA (for Best Buy)
1) Forced Operation
1-1) When pressing TEST KEY once in TEST MODE, Forced Operation shall be selected and with BEEP
sound, alarm will be operated.
1-2) If Forced Operation is selected, COMP. operates instantly without 5 min. delay in any Operation MODE.
At this point, if it is in Defrost, Defrost will be stopped instantly.
1-3) With the selection of Forced Operation, COMP. and Freezer FAN operate for 24 hr. continuously and
Refrigerator shall be regulated by set temp while Forced Operation continues until the completion of
forced operation or the conversion to other MODE (forced Freezer Defrost) or cancellation.
1-4) With the selection of Forced Operation, Freezer will be selected at “ MAX(-13 °F/ -25 °C) ”and
Refrigerator will be set at “ MID (35.6 °F/ 2 °C) ”automatically. However, although forced defrost or test
cancellation are selected after a minute while selecting forced operation, set temp will not change.
(Maintaining “ MAX (-13 °F/ -25 °C) ” and “ MID(35.6 °F/ 2 °C) ” ) If forced defrost or test cancellation are
selected in a minute while selecting forced operation, set temp will go back to the previous set temp
before “ MAX (-13 °F/ -25 °C) ” and “ MID (35.6 °F/ 2 °C) ” .
1-5) On the completion of Forced Operation (24 hr.), Freezer defrost will operate regardless of the previous
1-6) After the above items, it operates under the conditions of normal defrost by judging case by case.
1-7) If it is cancelled randomly during Forced Operation, (On changing into cancellation Mode), the time for
COMP. ON during forced operation shall be calculated in total and reflected in defrost cycle.
1-8) During Forced Operation, Power freezing doesn’t function and with the selection of function, LED
indication for the selected POWER function will be off after 10 sec.
2) Forced Defrost
2-1) When pressing TEST KET twice in TEST MODE, Freezer defrost will operate and BEEP sound alarm
shall be heard.
2-2) BEEP sound alarm shall operate until the completion of HEATING and pause.
2-3) With the selection of forced Freezer defrost, it will operate regardless of the point of normal Heater On and complete defrost while comparing the temp of the point of HEATER OFF.
3) TEST Cancellation MODE
3-1) When converting DISPLAY PANEL into TEST MODE and pressing TEST button one more time during
Freeaer Defrost, Freezer Defrost will be cancelled and restored to normal operation. Also, if MAIN
POWER is turned on again after being turned off, all the TEST functions will be canceled.