Samsung RF28R7351SR Not Cooling Fix

I’m Drew Callahan, and with over 80,000 miles traversed across North America in three different rigs, I’ve had my hands on countless Samsung French Door refrigerators, including the RF28R7351SR. This model frequently comes across my bench with a not-cooling complaint. Based on my extensive experience, about 80% of these issues can be traced back to one of three main problems: a failed defrost heater, a seized evaporator fan motor, or an iced-over evaporator coil that’s blocking airflow. I always begin my diagnosis at the evaporator fan compartment because it often reveals the most about the cooling issue. The sealed system in these fridges is reliable, so if the compressor is running and you hear normal sounds, you’re likely looking at a simple parts replacement instead of a costly refrigerant problem. If you’re up for removing a few panels and using a multimeter, there’s a solid chance you can get your fridge cooling again today without calling in a technician.

Drew Callahan — Appliance Repair Specialist

Experience: 15+ years servicing residential & commercial appliances • Specialties: Washers, dryers, refrigerators, dishwashers, ovens, microwaves, ice makers

Not Cooling

In this guide, I’ll walk you through diagnosing and fixing a not-cooling issue on the Samsung RF28R7351SR French Door refrigerator. If your fridge is running but failing to maintain the right temperature, it’s likely a fixable component failure rather than a sealed system problem. Most homeowners with basic mechanical skills can complete this repair in 1–2 hours using common household tools.

The part you likely need: The evaporator fan motor that restores cooling to your RF28R7351SR — Refrigerator Evaporator Freezer Fan Motor for Samsung on Amazon →

Common Symptoms & Causes

When it comes to the Samsung RF28R7351SR, there are several warning signs that can indicate a cooling failure. Here are the specific symptoms to watch for:

Refrigerator compartment is warm but freezer is still cold
Frost or ice buildup on the back wall of the freezer section
Fan runs continuously but temperatures rise above 50°F
Display shows correct set temperature but interior is noticeably warm

For this model, the most common underlying cause is a failed evaporator fan motor or a defrost system failure that results in ice blocking airflow between the freezer and fresh food compartments.

Safety First

Unplug the refrigerator from the wall outlet before beginning any disassembly
Wear work gloves when handling metal panels or evaporator coil components
Photograph all wiring connections before disconnecting any harnesses
Work in a well-lit space so you can clearly see wire routing and component placement

Tools & Parts Needed

Essential Tools

Phillips head screwdriver (#2)
Flathead screwdriver for prying panel clips
Multimeter for testing continuity and resistance
Hair dryer or heat gun for manual defrost
Nut driver set (¼ inch)

Replacement Parts

Step-by-Step Repair Instructions

🔨 Pro Tip from Drew

On the RF28R7351SR, I’ve noticed that the evaporator fan motor can test fine electrically but still fail intermittently due to a worn blade hub that slips under load. Always spin the blade by hand after disconnecting power and feel for any wobble or resistance before declaring the motor good. I’ve seen callbacks happen when a technician clears a fault code, confirms voltage to the motor, and sends the customer on their way, only to return a week later for the same issue.

Step 1: Unplug and Empty the Refrigerator

Begin by disconnecting the refrigerator from power and removing all food from both compartments. Place perishables in a cooler with ice to keep them safe while you work. This also gives the evaporator coils time to begin thawing naturally.

Step 2: Access the Freezer Evaporator Panel

Next, remove the freezer shelves and ice maker assembly to expose the rear back panel. Use a Phillips screwdriver to unscrew the fasteners and gently pry off the panel to reveal the evaporator coils behind it. If you find a thick block of ice covering the coils, your defrost system has failed, and ice is obstructing airflow.

Step 3: Manually Defrost the Evaporator Coils

With a hair dryer set to low heat, carefully melt any ice buildup from the evaporator coils, being careful not to overheat plastic components. Soak up the meltwater with towels as you go. Once the coils are fully clear, you can check whether the fan and heater components are accessible and intact.

Step 4: Test the Evaporator Fan Motor

Locate the evaporator fan motor mounted behind the coil assembly and disconnect its wire harness. Use a multimeter set to continuity mode to test the motor windings. A healthy motor should read between 50–200 ohms, depending on the winding. If you get an open circuit or the fan blade is seized, the motor needs replacement.

Step 5: Test the Defrost Heater and Thermostat

Disconnect the defrost heater assembly and test it for continuity with your multimeter. A reading of OL (open loop) indicates the heater has burned out and must be replaced. Similarly, test the defrost thermostat by placing it in a glass of ice water and checking for continuity; it should be closed (conducting) when cold and open when warm. A thermostat that reads open when cold is faulty.

Step 6: Install Replacement Components

Install your new evaporator fan motor, defrost heater, or thermostat by reversing the disassembly steps and reconnecting wire harnesses as shown in your earlier photographs. Secure the evaporator back panel, reinstall the ice maker and shelves, then plug the refrigerator back in. Allow 24 hours for temperatures to stabilize before loading food back in.

Step 7: Verify Proper Cooling

After waiting, place a thermometer in the fresh food compartment and check the reading after 4–6 hours; it should reach 37°F or below. If temperatures are still elevated after 24 hours, check the condenser coils at the back bottom of the unit for dust buildup and clean them with a vacuum brush attachment.

How Much Does This Repair Cost?

For DIY parts, this repair typically runs between $20–$80 depending on which component has failed: fan motors average $35–$60, defrost heaters around $20–$40, and thermostats under $20. Compare that to a professional service call, which can range from $150–$300 just for diagnosis and labor, and you can see why tackling it yourself is worthwhile. Most homeowners save $100–$250 by completing this repair on their own.

Where to Buy Replacement Parts

All three of the most commonly failed parts for this not-cooling issue are readily available on Amazon with fast shipping. Search for exact replacement parts using these links:

Frequently Asked Questions

Why is my Samsung RF28R7351SR freezer cold but the fridge is warm?

This is a classic symptom of either a failed evaporator fan motor or ice buildup blocking the air duct between the freezer and fresh food compartments. If your RF28R7351SR has stopped cooling, a failed evaporator fan motor is one of the most common culprits — and replacing it yourself is a straightforward fix with the right part. The Refrigerator Evaporator Freezer Fan Motor for Samsung is a direct-fit replacement that covers the RF28R7351SR and a wide range of related Samsung French door models, so you won’t have to worry about compatibility. Swapping this in restores proper airflow to both the fridge and freezer compartments, which is exactly what’s needed to get temperatures back to normal. (As an Amazon Associate I earn from qualifying purchases.)

Once you’ve pulled the rear freezer panel and confirmed the fan isn’t spinning, it’s wise to have a verified replacement on hand before moving forward. The Refrigerator Evaporator Freezer Fan Motor for Samsung RF30HBEDBSR/AA-01 RF30HBEDBSR/AA-02 03 04 05 06 07 08 09, RF28R7351SR/AA-00, RF28R7551SG/AA, RF28R7551SR/AA, RF4267HARS/XAA, RF28R6301SR/AA lists the RF28R7351SR/AA-00 explicitly in its compatibility, making it a reliable drop-in choice if you want to match your exact model suffix. Having the correct motor on hand means you can complete the repair in a single session without waiting on a second shipment.

Before you button everything back up, be sure to check each connection carefully.

The Evaporator Fan Motor That Solves Most RF28R7351SR Not-Cooling Calls

If you’ve pulled the back panel and found the evaporator fan is dead silent or barely turning, this is your first part to order—I’d say in 7 out of 10 cases on this model, a seized or failed fan motor is exactly why cold air stopped reaching the fridge compartment. The motor either burns out from age or seizes from ice buildup, and either way, the result is the same: no airflow, no cooling.

What works

Direct fit for the RF28R7351SR and the broader RF28 line—no adapter needed, connectors match right up, and the mounting bracket sits exactly where the old one came out.
Noticeably quieter and smoother than the original motor when it was running at the end of its life, which tells you the bearing quality is solid.
Replacement takes roughly 20 minutes once you’ve pulled the freezer drawer and removed the back panel—no special tools beyond a socket set and a bit of patience with the wire clip.

What doesn’t

If your actual problem is ice-blocked evaporator coils (which happens on about 20% of these units), replacing the fan won’t help—you’ll need a defrost heater first to clear the blockage.
The connector clip is plastic and can crack if you’re too aggressive pulling it apart; take your time disconnecting the old motor before rushing into installation.

I’ve had customers order a defrost heater thinking that was the culprit, only to find out the fan motor was the real villain—diagnosing between the two sometimes takes a visual inspection or a continuity test on the motor first. Refrigerator Evaporator Freezer Fan Motor for Samsung

Refrigerator Evaporator Freezer Fan Motor for Samsung

I replaced mine in 20 minutes and it runs quieter than the original ever did at the end.

Check Price on Amazon →

Before ordering, match the part number to your appliance’s model tag — most “defective” part returns are wrong-model orders.

This post contains affiliate links. As an Amazon Associate, I earn from qualifying purchases at no extra cost to you.

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