Name: LG LSG4513ST
Brand: LG

Question 1

What does error code F1 mean on LG LSG4513ST?

Accepted Answer

Sensor open — oven thermistor is open circuit. Cause: Oven temperature sensor wire broken or disconnected; Loose connector at oven sensor or at Main PCB CN31 pins 4 and 5; Failed oven temperature sensor (open).

Question 2

What does error code F10 mean on LG LSG4513ST?

Accepted Answer

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. Cause: Failed door lock motor (open or shorted); Failed micro switch (door lock position switch); Loose or disconnected wiring to lock motor or micro switch; Defective relay for door lock on Relay PCB.

Question 3

What does error code F2 mean on LG LSG4513ST?

Accepted Answer

Sensor short — oven thermistor is shorted. Cause: Oven temperature sensor short circuit; Shorted wiring harness to oven sensor; Connector CN31 pins 4 and 5 on Main PCB shorted.

Question 4

What does error code F3 mean on LG LSG4513ST?

Accepted Answer

Key short — touch keypad fault or communication failure. Cause: Key short occurred 3 times within 90 seconds; Communication with Touch IC impossible for more than 60 seconds; Defective Touch PCB or key pad wiring.

Question 5

What does error code F6 mean on LG LSG4513ST?

Accepted Answer

Oven hot — oven temperature exceeds 650F continuously for 2 minutes during cooking (excludes self-clean). Cause: Heater relay stuck closed (shorted relay contacts); Shorted oven sensor giving false low temperature reading; DLB relay shorted.

Question 6

What does error code F7 mean on LG LSG4513ST?

Accepted Answer

Convection fan motor open — convection fan does not operate for cumulative 1 minute during convection fan operation period. Cause: Failed convection fan motor (open windings); Fan motor relay shorted or failed; Loose or disconnected wiring to convection fan motor.

Question 7

What does error code F9 mean on LG LSG4513ST?

Accepted Answer

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). Cause: Failed bake igniter or broil igniter (out of resistance range); Failed oven safety valve (open coil); Defective oven sensor giving falsely high reading; Loose or disconnected wiring to igniter or relay.

LSG4513ST

Error Codes

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Code	Meaning	Severity
F1	Sensor open — oven thermistor is open circuit	Moderate
F10	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	Moderate
F2	Sensor short — oven thermistor is shorted	Moderate
F3	Key short — touch keypad fault or communication failure	Moderate
F6	Oven hot — oven temperature exceeds 650F continuously for 2 minutes during cooking (excludes self-clean)	Moderate
F7	Convection fan motor open — convection fan does not operate for cumulative 1 minute during convection fan operation period	Moderate
F9	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)	Moderate