Samsung RF265AB, Service Manual

Page: 42 / 107

43
2-1) If there is no answer for 20 seconds after the main micon received the requirement of
communication from load MICOM, "Lc - Er" display on the panel PCB will be ON/OFF
alternately until the communication error is canceled.
2-2) Also pantry room display will be ON/OFF alternately until the communication error is
canceled.
(0.5 sec ALL ON, 0.5 sec ALL OFF alternately)
(0.5 sec ALL ON, 1.5 sec ALL OFF alternately)
2) Display function when MAIN LOAD MICOM communication has error
TROUBLESHOOTING
4-1-3. Self-diagnostic function
1-1) Micom operates self-diagnostic function to check the temperature sensor condition
within 1 second when the refrigerator turned On initially.
1-2) If bad sensor is detected by the self-diagnostic function, the applicable display LED will
blink for 0.5 sec.
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.
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
Power Cool ) are pressed simultaneously for 8 seconds.
(Return to normal display mode)
1) Self-diagnostic function in the Initial power ON
2) Self-diagnostic function during normal operation
If Power Freeze Key + Power Cool Key are pressed simultaneously
for 8 seconds, the error mode by self-diagnosis will be canceled.