Error Code 3°C LED LAMP
Main cooling compressor is not running or malfunctioning
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 3°C indicator LED lamp
What This Means
Compressor cannot start or operate; Compressor IPM (Intelligent Power Module) fault; Abnormal compressor current detected; Compressor location detection error; Motor restraint or locked rotor condition
What actually causes this:
Compressor electrical failure prevents refrigerator cooling
First Thing to Check
Verify power is reaching compressor; listen for humming sound or relay clicking
Parts Involved
How to Fix
- 1
1. Verify refrigeration cycle pressure and continuity
- 2
2. Check PCB frequency converter welding status for short circuits
- 3
3. Verify 16V output is at least 13.5V
- 4
4. Check compressor circuit connections
- 5
5. Listen for compressor startup attempts or grinding noise
This Error Applies To
Samsung RB12A3006 Series Refrigerators
Related Error Codes
Freezer temperature cannot be properly measured
Defrosting heater stops too quickly before cycle completes
Refrigerator freezer not defrosting properly
Defrost cycle cannot be properly detected or controlled
Refrigerator cannot sense outside temperature properly
Freezer cooling fan is not working or is stuck
Fridge section temperature cannot be properly measured
Refrigerator moisture sensor is not working