Error Code CF3
RF Top Sensor Open/Short — Right Front induction cooktop top sensor is open or shorted
Moderate
Address soon - your appliance may not work properly
What This Means
CN02T connector on Right Inverter PCB disconnected or loose; Shorted internal pins; Failed NTC top sensor (~20 kΩ)
How to Fix
- 1
Follow same diagnostic path as CF2 but on Right Inverter PCB
- 2
OPEN: Check CN02T connection; if loose reconnect; check pin short; if no short replace sensor
- 3
SHORT: Check CN02T resistance (normal infinite); check R03T (~20 kΩ); replace PCB or sensor accordingly
This Error Applies To
LG LSIL6332FE Series Ovens & Ranges (2024) (2024–present)
Related Error Codes
Right Communication Error — communication error at right inverter module
LR Top Sensor Open/Short — Left Rear induction cooktop top sensor is open or shorted
Left IGBT Sensor Open/Short — Left inverter IGBT temperature sensor fault
Left Communication Error — communication error at left inverter module
Sensor open — oven thermistor circuit is open
Sensor short — oven thermistor circuit is shorted
Convection fan motor error — convection fan operation cannot be detected for over 1 minute during convection operation
Door lock fail — door lock failure occurred while operating door lock motor during self-clean or lock-out mode