Error Code F2
Sensor short — oven thermistor is shorted
Moderate
Address soon - your appliance may not work properly
What This Means
Oven temperature sensor short circuit; Shorted wiring harness to oven sensor; Connector CN31 pins 4 and 5 on Main PCB shorted
How to Fix
- 1
Unplug the unit from power
- 2
Check the oven sensor connector at CN31 pins 4 and 5 of the Main PCB for damage or cross-contact; reconnect or adjust
- 3
With power disconnected, measure resistance of oven thermistor — normal is approximately 1.09 kOhm at 25C; if reading is near zero (shorted), replace the thermistor
- 4
Plug in the unit and enter test mode (same sequence as F1 — select 't3') to verify thermistor value; normal is 70F to 90F at room temperature
- 5
If thermistor value is abnormal with good wiring, replace Relay PCB
- 6
If same phenomenon persists after replacing Relay PCB, replace the Main PCB
This Error Applies To
LG LSG4513 Series Ovens & Ranges (2015) (2015–present)
Related Error Codes
Sensor open — oven thermistor is open circuit
Oven hot — oven temperature exceeds 650F continuously for 2 minutes during cooking (excludes self-clean)
Key short — touch keypad fault or communication failure
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Door lock fail — door lock motor fails to complete lock/unlock cycle; detected when door lock switch does not operate properly after motor rotates twice
Oven no heat — starting temperature 130F or below, oven temperature does not rise more than 10F from starting temperature within 5 minutes after cooking start (excludes Proof, Warm, Easy Clean)