Samsung RS68N Series Service Manual page 70

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PRECAUTIONS(SAFETY WARNINGS)
4-4-4. Display function of Load condition
1) If Freezer Key + Alarm Key are pressed simultaneously for 6 seconds during normal operation, the temperature setting display
of fridge and freezer compartments will blink ALL ON/OFF with 0.5 for 4 seconds.
2) If take the finger off from above keys and press Fridge key load status will display.
At LED all on state only load condition display will blink ON/ OFF with 0.5 seconds interval.
3) Load condition display mode shows the load that micom signal is outputting.However, It means that micom signal is
outputting, it does not mean whether load is operating or not. That is to say that though load operation is displayed, load could
not be operated by actual load error or PCB relay error etc. (This function would be applied at A/S.)
4) Load condition display function will maintain for 30 seconds and then normal condition will be returned automatically.
5) Load condition display is as below. Only the load control LED will blink with 0.5 interval in "Display LED".
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