F3 Moderate Easy DIY

LG Range F3 — Touch Pad / Key Error

LG Oven · Error code F3

What F3 Means

F3 means a touch pad (key) error — a control key is stuck or shorted.

Most Likely Fix

Keypad / touch panel shorted

PartTouch panel / membrane keypad
Typical cost$80-200
Difficultymoderate
Time60 min

Tools: screwdriver, nut driver

Diagnose first: Membrane keypad shorts from heat or spills; sometimes the main control board is the actual fault.

Find this part on Amazon →

Symptoms

  • Panel unresponsive or beeping
  • F3 on the display

Common Causes

1
Stuck or failed touch key

A control-panel key is stuck.

2
Control panel fault

The touch panel has failed.

How to Fix It

  1. Turn off at the breaker for 30 seconds.
  2. Wipe the panel dry and press each key to free any that stick.
  3. If F3 persists, the control panel needs replacement.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement LG Range Control Panel View on Amazon→

More LG Oven Codes

5b 5b — Sabbath Mode active (not a fault) CF1 CF1 — Left-front cooktop sensor open/short CF2 CF2 — Left-rear cooktop sensor open/short CF3 CF3 — Right-front cooktop sensor open/short CF4 CF4 — Right-rear cooktop sensor open/short F1 Range F1 — Upper Oven Thermistor Error

All LG codes → All oven codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.