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Samsung Refrigerator Error Code 34E

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 11, 2026
⚠ Medium Severity 🔧🔧 Moderate DIY

Ice maker temperature sensor error

The most common cause of the 34E error on a Samsung refrigerator is ice maker thermistor failed (~45% of cases); start with: defrost the ice maker compartment.

💰 DIY cost: $0–$160 👨‍🔧 Pro cost: $180–$350 Save $180+ by doing it yourself
Samsung Refrigerator error code 34E on the display panel
How the 34E code appears on a Samsung refrigerator display

What Does Error Code 34E Mean on a Samsung Refrigerator?

Ice maker temperature sensor error.

The control board monitors resistance from the ice maker's thermistor to time harvest and monitor compartment temperature. Code 34E fires when that reading goes open, shorted, or outside its expected range, so the board halts ice production to avoid mistimed harvests. Frost intrusion is the frequent culprit, corroding the connector or encasing the sensor. It differs from defrost-sensor faults like 41E/42E, which involve the evaporator circuit, and from 33E, which points more broadly at ice maker function.

Models affected: French-door and side-by-side models with an in-fridge or in-door ice maker, including known units such as RF28R7351SG, RF263BEAESR, RF23M8070SR, RS27T5200SR, and RF27T5201SR
What owners report: Owners commonly report this code alongside Samsung's well-known ice maker frosting problems, often after ice stops dispensing. A forced defrost or manual thaw frequently clears it temporarily, but many find the code returns until the connector is cleaned or the assembly is replaced, which can hint at an underlying sealing issue.

What Causes Error Code 34E?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Ice maker thermistor failed 45% of cases
  2. 2
    Connector corroded from moisture/frost intrusion 30% of cases
  3. 3
    Ice buildup around the sensor 15% of cases
  4. 4
    Board sensing circuit fault 10% of cases

How to Fix Samsung Refrigerator Error Code 34E

🔧🔧 Moderate DIY Est. time: 30–60 min
⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Defrost the ice maker compartment

    Use forced defrost mode (Fridge + a model-specific button) or thaw manually to clear frost around the sensor.

  2. 2

    Inspect the connector

    Unplug the unit, remove the ice maker, and check the harness plug for corrosion; clean and reseat.

    ⚠️ Unplug the refrigerator before removing the ice maker.
  3. 3

    Replace the ice maker assembly

    Samsung sells the sensor only as part of the ice maker assembly on most models.

    🔩 Samsung ice maker assembly ($80–$160)

How to Reset Error Code 34E

Unplug for 2 minutes after the repair; the code clears once the sensor reads in range.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Full Samsung refrigerator reset guide → Enter diagnostic mode → Symptom guide: Ice maker not working →

Did this guide fix your appliance?

When to Call a Professional

Recurring icing that keeps killing the sensor indicates a sealing/defrost defect best handled by a technician familiar with Samsung ice maker service bulletins.

Average professional repair cost for this issue: $180–$350

Related Error Codes

33E
Ice maker fill tube heater error
⚠ Medium Severity
41E
Ice maker (ice room) fan error — ice compartment fan not rotating
⚠ Medium Severity
42E
Ice room damper/sensor error — ice compartment not maintaining temperature
⚠ Medium Severity

Find Replacement Parts

Use these links to find the exact replacement parts for your Samsung Refrigerator:

🔩
Search PartSelect
Samsung Refrigerator repair parts
🔧
Search RepairClinic
Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

More Samsung Refrigerator Error Codes

22E Refrigerator fan error — fresh-food compartment fan not running 21E Freezer fan error — freezer evaporator fan not running 24E Evaporator sensor error — freezer temperature sensor fault 25E Freezer defrost sensor error 88-88 Display test mode active — not a fault code 39E Ice maker function error — ice maker not cycling

Frequently Asked Questions

Can I keep using my Samsung Refrigerator when error 34E appears? +
You often can for a cycle or two, but the ice-maker issue behind 34E will keep interrupting normal operation until it is fixed. Plan the repair rather than ignoring the code.
What most commonly causes 34E on a Samsung Refrigerator? +
Across reported Samsung refrigerator repairs, the most frequent is ice maker thermistor failed (45% of cases), connector corroded from moisture/frost intrusion (30%), then ice buildup around the sensor (15%). Check them in that order before replacing any parts.
34E keeps coming back after a reset — what should I check next? +
A reset only clears the stored 34E fault; if it returns, the ice-maker problem is still present. Move on to the physical checks — defrost the ice maker compartment, then inspect the connector — since the code will reappear until the root cause is resolved. This is a moderate job — a multimeter and some disassembly are usually involved.
How much does it cost to fix Samsung Refrigerator error 34E? +
A DIY repair typically runs $0–$160 in parts, versus $180–$350 for a professional service call, so handling it yourself saves around $180. Expect the work to take roughly 30–60 minutes.
Which Samsung Refrigerator models show error 34E? +
34E is documented on French-door and side-by-side models with an in-fridge or in-door ice maker, including known units such as RF28R7351SG, RF263BEAESR, RF23M8070SR, RS27T5200SR, and RF27T5201SR. Other units sharing the same control platform can display it too, so the fixes here generally transfer across the series.

Sources & References

Content verified against manufacturer service documentation. Last verified: June 11, 2026.

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