Display Function Of Communication Error - Samsung RF28HDEDBSR Service Manual

TROUBLESHOOTING
2) Forced Defrost
2-1) When you press any key one more time at Fridge off Forced Operation [OF r], rd lights up on the Display
Panel. At this time, the Forcd Operation stops immediately and R-Defrost will be performed at the same
time.
2-2) When you press any key one more time at Forced R-Defrost [rd], Fd lights up on the Display Panel. At this
time, FR-Defrost will be performed at the same time.
2-3) At this time, it will send out "Beep" sound for 2 seconds and then it will perform Forced F/R Defrost while
sending out "0.5 sec On and 0.5 sec Off" sound.
3) Test cancel mode
3-1) During the simultaneous defrosting of fresh food and freezer compartments, if the display panel change to
the test mode and test button is pressed one more time, defrosting of fresh food and freezer
compartments will be canceled and the unit will return to the normal operation.
Or, all test functions will be canceled by turning main power ON and OFF.

4-1-2. Display function of Communication error

1) Display function when Panel ↔ MAIN MICOM communication has error
1-1) If there is no answer for 10 seconds after the panel micom received the requirement of communication,
"Pc - Er" display on the panel PCB will be ON/OFF alternately until the communication error is canceled.
(0.5 sec ALL ON, 0.5 sec ALL OFF alternately)
1-2) "Pc - Er" display on the Flex Zone Temp. Display will be ON/OFF alternately until the communication error
is canceled. (0.5 sec ALL ON, 0.5 sec ALL OFF alternately)
2) Display function when Panel ↔ MAIN MICOM OPTION has error
2-1) "OP - Er" code is repeatedly ON/OFF until Option error settles down.
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