Samsung RSJ1K Series, Service Manual

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3) Test Cancellation Mode
3-1) During the F/R-Defrost mode, put the Display Panel to the Test mode and press the Fridge button
once. Then, the F/R-Defrost mode will be cancelled and it will go to the normal operation mode.
Or, turn off and on the unit to cancel the Test mode.
1) Communication Error between MAIN MICOM and Load MICOM
1-1) When there is no response in 10 seconds after the Main MICOM sends a communication signal
to the Load MICOM, "LC Er" will blink on the Display Panel until the communication error is
released.
1-2) When there is no response in 10 seconds after the Main MICOM sends a communication signal
to the Load MICOM, the entire Cool Select Zone Display Panel will blink until the communication
error is cancelled (0.5 sec On and 1.5 sec Off).
TROUBLE SHOOTING
4-1-2) Communication Error Display Function
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