Error Code -19°C LED LAMP
Freezer temperature cannot be properly measured
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: -19°C indicator LED lamp
What This Means
Poor open circuit connection; Short circuit in sensor wiring; Freezer compartment sensor malfunction; Connector pin corrosion
What actually causes this:
Faulty temperature sensor prevents accurate freezer temperature control
First Thing to Check
Check if freezer compartment is actually cold despite error; verify display reading accuracy
Parts Involved
How to Fix
- 1
1. Check voltage between MAIN PCB CN30-3(BRN) and 7(Gray)
- 2
2. Voltage should be within 4.6V~0.6V
- 3
3. Inspect CN30 connector pins for oxidation
- 4
4. Test thermistor resistance with multimeter
Other Error Codes for RB12A300641
Fridge section temperature cannot be properly measured
Refrigerator moisture sensor is not working
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
Freezer cooling fan is not working or is stuck