Samsung RF4287HARS, Service Manual

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4-1-2. Display function of Communication error
TROUBLESHOOTING
2-1) If any key is pressed one more time during manual operation(Fresh food and freezerpartment), "Fd"
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 (0.1 sec ON/ 1 sec OFF) during manual defrost function of
fresh food and freezer compartment.
2) Simultaneous manual defrost(fresh food and freezer compartments) function
3-1) During the simultaneous defrosting of fresh food and freezer compartments simultaneously, 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 at the same time and will return to the normal
operation.
Or, all test functions will be canceled by turning main power ON and OFF.
3) Test cancel mode
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)
1) Display function when Panel ↔ MAIN MICOM communication has error
2-1) ”OP - Er” code is repeatedly ON/OFF until Option error settles down.
2) Display function when Panel
↔
MAIN MICOM OPTION has error
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