Troubleshooting; 4-1) Function For Failure Diagnosis; Test Mode (Manual Operation / Manual Defrost Function) - Samsung RF4287HARS Service Manual

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TROUBLESHOOTING

4-1) Function for failure diagnosis

4-1-1. Test mode (manual operation / manual defrost function)

● If Energy Saver Key + Power Cool Key on the front of panel are pressed simultaneously for 8 seconds , it
will be changed to the test mode and all displays on the front of panel will be off.
● If any key on the front of panel is pressed within 15 seconds after the test mode, it will be operated as
below sequence :
Manual operation1(FF 1) Manual operation2(FF 2) Manual operation3(FF 3) -> manual detrost of fresh
food and freeser compartments(fd) -> cancel(Display all off)
● If any key on the front of panel is not pressed within 15 seconds after the test mode, the test mode will be
canceled and it will be returned to previous mode.
1) Manual operation function
1-1) If any key is pressed once in test mode, blinks "FF-1" on the display and it indicates the refrigerator
has entered the manual operation. At this moment, buzzer beeps as an alarm.
1-2) If any key is pressed once at the manual operation1 status, FF-2 will be displayed.
And if any key is pressed one more time, FF-3 will be displayed. FF-2 and FF-3 means manual
operation2 and 3 separately. These 3 functions operate with different RPM of COMP.
1-3) If manual operation is selected, compressor will run at once without 7 minutes delay in any mode. If the
refrigerator is on the defrost cycle at the moment, defrost will be finished and manual operation will
begin.
(Be careful if manual operation get started at the moment of compressor off, over load could be
occurred)
1-4) If manual operation works, compressor & f-fan operate continuously for 24 hours and fresh food
compartment will be controlled by the setting temperature.
1-5) When the manual operation runs, setting temperature will be selected automatically as below: freezer
compartment -8℉(-22℃), fresh food compartment 34℉(1℃).
1-6) During manual operation, Power Freeze & Power Cool function will not be worked.
If a function is selected, the power function icon of the selected function will be off automatically after
10 seconds.
1-7) Manual operation can be canceled by turning on the appliance after power off(reset) or choosing the
step 3) test cancel mode.
1-8) Alarm(0.25 sec ON/ 0.75 sec OFF) will beep continuously until manual operation is completed and
there is no function to make the sound stop.
① ①
① Energy Saver Key + Power Cool Key are pressed simultaneously for
8 seconds, (displays are all off)
It will be changed to the test mode (manual operation) by pressing any key
Compulsion working 1 : 3600RPM Compulsion working 2 : 2450RPM
① ①
Compulsion working 3 : 2200RPM
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