Samsung RF195AC Service Manual page 31

TROUBLESHOOTING
2) Manual defrost (R : Fresh food compartment) function
2-1) If any key is pressed one more time during manual operation (Fresh food compartment), "rd"
shows in the display and then manual operation will be canceled at once and fresh food
compartment will be defrosted.
2-2) At this moment, alarm beeps for 3 seconds from the beginning, and then beeps 0.1 sec ON/ 1 sec
OFF during manual defrost (Fresh food compartment) function.
3) Manual defrost (R & F : Fresh food & Freezer compartment) function
3-1) If any key is pressed one more time during manual defrost (defrost of fresh food compartment,
"rd") "Fd" shows on the display and then fresh food and freezer compartments defrost will operate.
Simultaneous manual defrost of Fresh food and Freezer compartment is on the extension of fresh
food compartment, and when it begins, it operates by comparing the temperature of Freezer
Heater ON, not compare the temperature of fresh food Heater ON separately, That is, in case of
manual defrost of fresh food, it is the Heater On condition and if the simultaneous manual defrost
of fresh food and freezer compartment key before completing deforest, it does not make fresh food
compartment heater OFF by re-comparing the temperature of fresh food compartment EVA.
3-2) At this time, alarm beeps for 3 seconds from the beginning, and then beeps 0.5 sec. ON/ 0.5sec.
OFF during the manual defrost of the fresh food and freezer compartment.
4) Test cancel mode
4-1) During the simultaneous defrosting of fresh food and freezer compartments, if any key is pressed
once, all display on the front panel will be off and defrosting of fresh food compartments will be
canceled at the same time and will return to normal operation. The test functions will also be
canceled by turning the main power OFF and ON.
4-1-2. Self-diagnostic function
1) Self-diagnostic function in the initial power ON.
1-1) Micom operates a self-diagnostic function to check the temperature sensor condition within 1
second when the refrigerator is initially turned On.
1-2) If a bad sensor is detected by the self-diagnostic function, the all applicable display LED will blink
for 0.5-second interval. At this moment, there is no beep sound.
(Refer to self-diagnostic CHECK LIST)
1-3) Self-diagnostic button is recognized only when the error is displayed by the bad sensor. The
Display does not operate normally, but temperature control will be controlled by the emergency
operation.
1-4) When the error is detected by self-diagnosis, the error can be canceled automatically if all troubled
sensors are corrected or Self-diagnostic function key (Power Freeze + Power Cool) are pressed
simultaneously for 8 seconds. (Return to normal display mode)
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