Samsung RF20HFENB, Service Manual

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4. TROUBLESHOOTING
4-1) Check items before failure diagnosis
4-1-1. TEST mode (Manual operation / Manual defrost function)
¹
If Power Freeze Key + Fridge Key on the front of panel are pressed simultaneously for 8 seconds, the test
mode will be activated and all displays on the front of panel will be off.
¹
AC:If any key on the front panel is pressed within 15 seconds after changing to Test Mode, it will be operate as in
the sequence below ; Manual operation (FF)
->
Manual defrost of R (rd)
->
Manual defrost of F/R (Fd)
->
Cancel (Display all off).
¹
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.
If the test mode is canceled, power off and reactivate the refrigerator.
▼
If Power Freeze Key + Fridge Key are pressed simultaneously for 8
seconds and all displays are off, the test mode will be activated (manual operation)
by pressing any key
1-1) AC: If any key is pressed once in TEST MODE, "FF" blinks on the display and it indicates the
refrigerator has entered manual operation. At this moment, buzzer beeps as an alarm.
INV:If any key is pressed once in TEST MODE, "FF1" blinks on the display and it indicates the
refrigerator has entered manual operation mode 1(Compressor run at 3600rpm).
If any key is pressed one more time ,“FF2“ blinks on the display and it indicates the refrigerator
has entered manual operation mode 2(Compressor run at 2450rpm).
If any key is pressed the 3rd time ,“FF3“ blinks on the display and it indicates the refrigerator
has entered manual operation mode 3(Compressor run at 2050rpm).
When manual operation mode change, buzzer beeps as an alarm.
1-2) If manual function is selected, compressor will run at once without 5 minutes delay in any mode. If
the refrigerator is on the defrost cycle at the moment, defrost will be stopped and manual operation
will begin. (Be careful if manual operation starts at the same time the compressor turns off, as an
overload could occur.)
1-3) If manual operation works, compressor & F-FAN operate continuously for 24 hours and fresh food
compartment will be controlled by the setting temperature.
1-4) When the manual operation runs, setting temperature will be selected automatically as below ;
Freezer compartment -8 (-22
℃
), Fresh food compartment 34 (1
℃
).
1-5) During manual operation Power Freeze & Power Cool function will not be worked. If a function is
selected, the power function icon of the selected one will be off automatically after 10 seconds.
1-6) Manual operation can be canceled during manual operation by turning on the appliance after
power off(resest) or choosing the following step 4) test cancel mode.
1-7) When the manual operation runs, alarm (0.25 seconds ON/0.75 seconds OFF) will beep
continuously until manual operation is completed and there is no function to make the sound stop.
1) Manual operation function
鋿
錝
INV:If any key on the front panel is pressed within 15 seconds after changing to Test Mode, it will be operate as in
the sequence below : Manual operation1 (FF1) ->Manual operation2 (FF2) -> Manual operation3 (FF3) ->
Manual defrost of F/R (Fd) ->Cancel (Display all off).
¹
AC
INV
℉ ℉