Daewoo Refrigerator Error R1

⚡ Quick Answer: The Daewoo refrigerator R1 error indicates a malfunction in the refrigerator compartment temperature sensor (R-sensor). This issue can occur due to a ... ✅ DIY Fixable

What Does Error R1 Mean?

The Daewoo refrigerator R1 error indicates a malfunction in the refrigerator compartment temperature sensor (R-sensor). This issue can occur due to a disconnection or short circuit in the sensor or its wiring, leading to inconsistent cooling and abnormal display behavior. Users may notice the control panel displaying 'R1', improper temperature maintenance, and rapid blinking of the numeric display.

Common Symptoms:

  • Display shows R1 on control panel
  • Refrigerator compartment not maintaining proper temperature
  • Possible rapid blinking or alternation of numeric display

Possible Causes

  • R‑sensor disconnection or short circuit (medium)

How to Fix Error R1

DIY Fix Basic checks before service call

  1. Power‑cycle the refrigerator by unplugging for 5–10 minutes, then restoring power
  2. Visually inspect the back and inside of the unit for obvious wiring damage to the refrigerator compartment sensor harness
  3. Ensure doors are fully closing and that temperatures haven’t been set incorrectly

Technician Only Diagnose and repair R‑sensor circuit

  1. Disconnect power to the unit
  2. Access the main control PCB and locate the R‑sensor connector (model dependent)
  3. Measure resistance of the R‑sensor and compare with manufacturer specified range
  4. Check continuity of wiring harness to refrigerator compartment sensor
  5. Replace the sensor if open or shorted, and repair wiring as needed

Parts needed: Refrigerator temperature (R) sensor, Wiring harness and connectors

🛑 When to Call a Pro:
  • If the error persists after basic power cycling and visual checks
  • If wiring or sensor replacement is beyond basic user skills
  • If additional error codes appear simultaneously

Next step

Choose the next step for R1

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

Most relevant component to inspect

Temperature Sensor

Monitors the internal temperature to ensure correct operation and prevent overheating.

Typical part-only price
$15 - $35
DIY difficulty
Easy
Estimated time
15-30 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

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Technical Specifications

wattage N/A
component Temperature Sensor
resistance 5-10 kOhms
part_number DAE-TS12345
voltage_rating 12V DC

Common Questions

What does R1 error mean on Daewoo refrigerator?

R1 indicates a malfunction in the refrigerator compartment temperature sensor, causing cooling issues.

Can I fix Daewoo refrigerator R1 error myself?

Yes, you can try power-cycling the fridge and checking for wiring damage before calling for service.

How much does it cost to fix R1 error?

Repairing the R1 error typically costs between $30 and $120, depending on parts and labor.

When should I call a technician for R1?

Call a technician if the error persists after basic checks or if you can't replace the sensor or wiring yourself.

Data last verified: 2026-04-23

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