Error Code 1°C LED LAMP
Freezer cooling fan is not working or is stuck
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 1°C indicator LED lamp
What This Means
Fan motor signal line fault; Fan motor circuit broken; Fan motor stuck or jammed; Fan motor feedback signal lost; Loose connector on fan motor
What actually causes this:
Stuck or broken fan motor prevents proper air circulation in freezer
First Thing to Check
Listen for fan noise and feel for air movement from freezer vents
Parts Involved
How to Fix
- 1
1. Check voltage between MAIN PCB CN76-9(PNK) and 10(GRY)
- 2
2. Voltage should be within 7V~12V when fan is operating
- 3
3. Verify fan motor physically spins freely
- 4
4. Inspect connector for loose pins or corrosion
- 5
5. Test for motor feedback signal at PCB connector
Other Error Codes for RB12A300641
Fridge section temperature cannot be properly measured
Refrigerator moisture sensor is not working
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
Main cooling compressor is not running or malfunctioning
Refrigerator cannot sense outside temperature properly