LG · Oven Moderate

F3 — LG Range F3 — Touch Pad / Key Error

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

Keep using it?
Yes, with caution
DIY difficulty
Easy
Typical cost
$80-200
Verified against
lg.com ↗

The fix

Touch panel / membrane keypad

Keypad / touch panel shorted

$80-200 moderate difficulty 60 min Tools: screwdriver, nut driver

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

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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.

Why it happens

Typical signs: Panel unresponsive or beeping · F3 on the display

  • Stuck or failed touch key A control-panel key is stuck.
  • Control panel fault The touch panel has failed.

Other parts sometimes needed

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

  • LG Range Control Panel Common replacement
    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. Verified against manufacturer documentation: lg.com.