Samsung RF28R7351SR refrigerator
- Category
- Refrigerators
- Model number
- RF28R7351SR
- Region
- United States
- Verified
- Filter indicator blinks red
- Temperature display blinks
- Fridge or freezer temperature is warm, or the refrigerator does not operate
- Fridge or freezer is over-cooling
- Refrigerator has odors
- Frost in the refrigerator
- Condensation forms on the interior walls
- Water flow is weaker than normal
- Ice maker makes a buzzing sound
- Ice maker does not make ice
- Ice does not dispense
- Water does not dispense
- How to replace the water filter
- How to turn the dispenser lock on or off
- How to turn the control lock on or off
- How to turn Sabbath mode on or off
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Indicator lights
| Indicator | Meaning | Checks |
|---|---|---|
| Filter indicator blinks red | The water filter needs replacing. This appears after about 6 months, typically about 300 gallons (1200 L) of water. | Checks |
| Temperature display blinks | The temperature in the refrigerator has risen above the set temperature, for example after frequent door openings or a large amount of food. The display stops blinking when the refrigerator returns to the setting. | Checks |
Filter indicator blinks red
Filter indicator blinks red when the door is opened. The water filter needs replacing. This appears after about 6 months, typically about 300 gallons (1200 L) of water.
- Replace the filter, then press and hold Filter Reset for 3 seconds. See Replace the water filter.
Temperature display blinks
Temperature display blinks. The temperature in the refrigerator has risen above the set temperature, for example after frequent door openings or a large amount of food. The display stops blinking when the refrigerator returns to the setting.
The door was opened often or a large amount of food was added. Source: Operations: Main panel, p. 37
- Wait for the refrigerator to return to the set temperature.
A communication error occurred between the temperature display and the main controller, so the blinking continues for an extended time. Source: Operations: Main panel, p. 37
Problems
- Fridge or freezer temperature is warm, or the refrigerator does not operate6 causes in the manual. First: the power cord is not plugged in properly.
- Fridge or freezer is over-coolingThe temperature control is not set correctly.
- Refrigerator has odors2 causes in the manual. First: food has spoiled.
- Frost in the refrigerator3 causes in the manual. First: food is blocking the vents, causing frost around the vents.
- Condensation forms on the interior walls2 causes in the manual. First: A door was left open and moisture entered the refrigerator.
- Water flow is weaker than normalThe water pressure is too low.
- Ice maker makes a buzzing soundThe ice maker function is activated, but the water supply to the refrigerator has not been connected.
- Ice maker does not make ice4 causes in the manual. First: the ice maker has just been installed.
- Ice does not dispense3 causes in the manual. First: ice may jam if the ice dispenser is not used for a long time (approximately 3 weeks).
- Water does not dispense4 causes in the manual. First: the water line is not connected properly or the water supply is not on.
Fridge or freezer is over-cooling
The temperature control is not set correctly. Source: Troubleshooting: General, Temperature, p. 71
- Set the temperature higher.
Water flow is weaker than normal
The water pressure is too low. Source: Troubleshooting: General, Water/ice, p. 73
- Make sure the water pressure is between 20 and 120 psi.
Ice maker makes a buzzing sound
The ice maker function is activated, but the water supply to the refrigerator has not been connected. Source: Troubleshooting: General, Water/ice, p. 73
- Press Ice Maker.
Interior wall is hot
The refrigerator has heat-proof piping in the front corners of the interior wall to prevent condensation. If the ambient temperature rises, this piping may not work effectively. This is not a system failure. Source: Troubleshooting: General, Temperature, p. 72
Sounds from the refrigerator
Clicking, buzzing or chirping when an operation starts or ends is similar to a car engine ignition, and decreases as the operation stabilizes. Source: Troubleshooting: Abnormal sounds, p. 75
A whirring sound while the fan operates stops when the refrigerator reaches the set temperature. Source: Troubleshooting: Abnormal sounds, p. 75
Water dripping on the defrost heater during a defrost cycle causes sizzling sounds. Source: Troubleshooting: Abnormal sounds, p. 76
Refrigerant gas moving through sealed pipes while the refrigerator cools or freezes causes bubbling sounds. Source: Troubleshooting: Abnormal sounds, p. 76
Plastic parts contracting and expanding as the temperature changes cause knocking noises during the defrost cycle or when electronic parts work. Source: Troubleshooting: Abnormal sounds, p. 76
The water valve opening to fill the ice maker causes a buzzing sound on ice maker models. Source: Troubleshooting: Abnormal sounds, p. 76
Pressure equalizing when you open and close the door causes a whooshing sound. Source: Troubleshooting: Abnormal sounds, p. 76
How-to
- How to replace the water filterWhen the Filter Reset indicator turns red, about every 6 months or 300 gallons (1200 L) of water. Water with a lot of lime can shorten the filter life.
- How to turn the dispenser lock on or offTo stop use of the dispenser panel buttons and the dispenser lever, or when water or ice does not dispense because the lock is on.
- How to turn the control lock on or offTo prevent accidental setting changes on the main panel.
- How to turn Sabbath mode on or offTo switch off the buttons, display and internal lights while the refrigerator and freezer keep cooling.
Maintenance
| Task | When | Source |
|---|---|---|
| Replace the water filter | About every 6 months (typically about 300 gallons / 1200 L of water) | Source: Maintenance: Replacement, Water filter, pp. 69-70 |
| Replace the LED lamps through a local Samsung service center. The lamps are not user-serviceable. (professional service) | Source: Maintenance: Replacement, LED Lamps, p. 70 |
Settings
| Setting | Options | Default | Notes | Source |
|---|---|---|---|---|
| Fridge temperature | 34 °F (1 °C) to 44 °F (7 °C) | Recommended: 37 °F (3 °C) | Press Fridge repeatedly to select a temperature. Power Cool, selected from the same button, runs at maximum power for several hours and then returns to the previous setting. | Source: Operations: Fridge, p. 38 |
| Freezer temperature | 5 °F (-15 °C) to -8 °F (-23 °C) | Recommended: 0 °F (-18 °C) | Press Freezer repeatedly to select a temperature. Power Freeze runs at maximum power for several hours and then returns to the previous setting. To freeze a large amount of food, activate Power Freeze at least 20 hours before putting the food in. | Source: Operations: Freezer, p. 41 |
| FlexZone mode | Wine (about 41 °F / 5 °C), Deli (about 37 °F / 3 °C), Beverage (about 34 °F / 1 °C), Meat (about 30 °F / -1 °C) | Deli | Press FlexZone repeatedly to select a mode. Do not use it for most fruit or leafy vegetables, and do not store glass bottles in Beverage or Meat mode. | Source: Operations: FlexZone, p. 40 |
| Ice Maker | On, Off | When off, ice making is disabled even if you press the Cubed or Crushed Ice buttons. Pressing and holding the ice lever for more than 5 seconds turns it back on. | Source: Operations: Ice Maker, p. 41 | |
| Door Alarm | On, Off | On | Sounds and the indicator blinks if a door is open for more than 2 minutes. After 5 minutes the internal lights blink for 10 seconds and then stay on, repeating every minute for 5 minutes. | Source: Operations: Door Alarm, p. 43 |
| Cooling Off mode (Shop mode) | For retail display | The fan motor and lights work but the compressors do not run, so the refrigerator and freezer do not get cold. | Source: Operations: Cooling Off, p. 44 |
Specifications
Samsung refrigerator with a FlexZone drawer, an ice maker and a water dispenser. The fridge sets between 34 °F and 44 °F and the freezer between 5 °F and -8 °F. Source: Operations: Main panel, pp. 38-41
The Filter indicator blinks red after about 6 months, and a temperature display that blinks for a long time after a communication error needs Samsung service. Source: Operations: Filter Reset; Main panel, pp. 37, 42
Samsung recommends 37 °F (3 °C) for the fridge and 0 °F (-18 °C) for the freezer. Source: Operations: Main panel, p. 37
| Water pressure for the water supply | 20 to 120 psi | Source: Troubleshooting: General, Water/ice, p. 73 |
|---|---|---|
| Reverse osmosis supply | 35 to 120 psi (241 to 827 kPa) to the reverse osmosis system, and at least 40 psi (276 kPa) from it to the refrigerator | Source: Maintenance: Replacement, Reverse osmosis water filtration system, p. 70 |
| Clearance | At least 2.5 inches (5 cm) between the back and sides of the refrigerator and nearby walls or cabinets | Source: Troubleshooting: General, Temperature, p. 71 |
Recalls
No exact-model match for RF28R7351SR in the U.S. Consumer Product Safety Commission recall database, checked . Recalls can name model families, so also check current recalls for Samsung.
Service contact
Samsung Customer Care: 1-800-SAMSUNG (726-7864), samsung.com/us/support/. United States. Source: Troubleshooting, p. 71
Sources
- User manual, Refrigerator DA68-03833A (English, Spanish and French). Samsung Electronics America, Inc. Document DA68-03833A-09, revision 09, 256 pages, en. downloadcenter.samsung.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.
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