Samsung refrigerators show a code when something’s wrong — and one of the most common (“OF OF”) isn’t a fault at all. Here’s what each Samsung fridge error code means, what to try first, and when to call a technician.

Samsung refrigerator error codes at a glance

Codes vary by model — check your manual if yours isn’t listed.

The most common codes — and how to fix them

OF OF — cooling is off (not broken!)

The fridge is in demo/showroom mode — lights work but cooling is off. Try first: hold Energy Saver + Freezer (or Power Cool + Power Freeze on some models) for 3–8 seconds until it beeps. No repair needed — this is the #1 “my Samsung fridge stopped cooling” surprise.

22E / 21E — fan fault

An evaporator or freezer fan can’t spin freely, usually from frost buildup. Try first: a manual defrost and clearing the vents. See also fridge not cooling.

1E / 5E — defrost sensor

A defrost-sensor problem. This typically needs a technician to test and replace the sensor.

41E — communication error

The control boards lost communication, often right after a power outage. Try first: unplug for 5 minutes to restart; if it returns, it needs service.

Good news on the fan/frost codes: many (Er FF/rF, 22E, SY EF) are caused by frost choking the fan, and a manual defrost — unplug the fridge with the doors open for ~8–24 hours, towels down — clears them without any parts. If it returns after that, the fan or a cooling component needs a look.

The bottom line

Most fridge codes point to a fan, a sensor, a defrost part, or are just a status message — and a manual defrost or reset clears many of them. When a part is involved, repairing is almost always cheaper than replacing (a sealed-system or compressor failure on an older unit is the main exception). If a code won’t clear, we repair Samsung refrigerators (and every major brand) across DFW, usually same-day. Not sure yours is worth fixing? See our refrigerator repair-or-replace guide.

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Fridge not cooling? · Appliance repair FAQ