4-1) Check-List Before Trouble-Shooting; 4-1-1) Test Function (Forced Operation / Forced Defrost) - Samsung RB31FEJNB Series Service Manual

4. TROUBLESHOOTING

4-1) Check-List before Trouble-Shooting

4-1-1) Test Function (Forced Operation / Forced Defrost)

1. When pressing the "Freezer" and the "Fridge" buttons on the PANEL PCB at the same time for
more than 4 seconds, the PANEL DISPLAY will be on and off with an interval of 0.5 second
for about 3 seconds. At this time, release the "Freezer" and the "Fridge" buttons, and press the
"Freezer" button. Then, it will go into the TEST MODE.
2. At the Test mode, all the display buttons will work as the Test button.
3. Each time the Test button is pressed, it will change in the following order.
Twin : Forced operation 1 → Forced operation 2 (R Valve Close/ R Fan Off) →
Forced operation 3 (F Valve Close/ F Fan Off)→ Forced R defrost → Forced F/R defrost → Reset
Mono : Forced Operation → Forced F-Defrost → Cancellation (Normal Operation)
4. It is recommended that the unit be re-plugged in to terminate the operation of the Test function.
1) Test Mode Entering Process
②
① Press the "Freezer" and the "Fridge" buttons at the same time for 4 seconds.
② When it is on the Test Mode, press the "Freezer" button once.
② ①
①
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