Samsung Refrigerator Error Code 21E
Last updated: January 5, 2026 MEDIUM
⚠️ Safety Warning
- Unplug the appliance before attempting any repairs
- Never attempt repairs while the appliance is energized
- If you're unsure, contact a certified Samsung technician
- Keep children and pets away during troubleshooting
🔧 Tools You May Need
- Multimeter
- Screwdriver set
- Work gloves
- Thermometer
- Level
- Condenser brush
What Does Error Code 21E Mean?
When your Samsung fridge shows 21E, it's detecting ice maker malfunction. Common causes include power fluctuations, which may require cleaning the component.
Common Causes
- ice maker
- compressor
- defrost
- fan motor
- sensor
How to Fix Error Code 21E
Step 1: Reset Your Refrigerator
- Unplug the refrigerator from the power outlet
- Wait 2-3 minutes for the capacitors to discharge
- Plug the appliance back in
- Check if the error code has cleared
Diagnostic Checks for Refrigerator Error 21E
| Diagnostic Check | Expected Result | If Failed |
|---|---|---|
| Check evaporator fan operation | Fan runs when door is closed | Replace evaporator fan motor |
| Inspect condenser coils | Coils clean, unobstructed airflow | Vacuum coils, ensure 2" clearance |
| Test defrost heater | Continuity when tested with multimeter | Replace defrost heater |
| Check door seals/gaskets | Seals tight, no gaps (dollar bill test) | Replace door gasket |
| Verify compressor operation | Compressor runs, gets warm to touch | Check start relay/overload |
💡 Pro Tips from ErrorCodeHub
Temperature Sensor Test: RTD temperature sensors should read 1000-1100 ohms at room temperature. Significantly different readings mean the sensor is faulty.
Frequently Asked Questions
What does Samsung error code 21E mean?
When your Samsung fridge shows 21E, it's detecting ice maker malfunction. Common causes include power fluctuations, which may require cleaning the component.
Can I fix error code 21E myself?
Many 21E errors can be fixed with basic troubleshooting. Start with a reset, then check common causes.
How much does it cost to fix error 21E?
Repair costs typically range from $50-$300 depending on the cause.
Should I call a technician for error 21E?
If basic troubleshooting doesn't work, or you're uncomfortable with repairs, contact a certified technician.
More Samsung Refrigerator Error Codes
When to Call a Professional
Consider contacting a certified Samsung technician if:
- The error persists after troubleshooting
- You're not comfortable with DIY repairs
- The repair involves electrical or gas components
- Your appliance is still under warranty
Find a technician: Call Samsung support or search for certified repair services in your area.