Error Code -15°C LED LAMP
Defrost cycle cannot be properly detected or controlled
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: -15°C indicator LED lamp
What This Means
Poor open circuit connection; Short circuit in sensor wiring; Defrosting temperature sensor malfunction; Connector pin degradation
What actually causes this:
Faulty defrost sensor prevents proper timing and completion of auto-defrost
First Thing to Check
Observe if frost buildup occurs in freezer despite running; check for ice on evaporator
Parts Involved
How to Fix
- 1
1. Check voltage between MAIN PCB CN30-4(RED) and 7(Gray)
- 2
2. Voltage should be within 4.6V~0.6V
- 3
3. Verify defrost cycle temperature sensor operation
- 4
4. Inspect CN30 connector pin 4 for corrosion
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
Main cooling compressor is not running or malfunctioning
Refrigerator cannot sense outside temperature properly
Freezer cooling fan is not working or is stuck