We have a Samsung fridge displaying FF
Model Number
        RF23HTEDBSR
    No problem. So this FF means your unit went into demo mode. To exit, you just need to press and hold the FREEZER and ALARM buttons at the exact same time for 5 seconds. That should exit demo mode. If it doesn’t work, keep trying again and again because the panel is VERY sensitive that you press the buttons at the exact same time.
- AV Repair Help answered 7 years ago
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