F59 Moderate Moderate DIY

LG Oven F59 — Griddle not heating

LG Oven · Error code F59

What F59 Means

The griddle failed to reach the expected temperature rise within the allowed time. Either the element is not getting power or the sensor is reporting cold.

Symptoms

  • F59 or F-59 on display
  • Griddle stays cold or barely warms
  • Power indicator on but no heat at surface

Common Causes

1
Open griddle heating element

Element burned through; no continuity.

2
Failed griddle relay on cooktop board

Element never sees voltage.

3
Loose element terminal

Push-on connector burned and lost contact.

4
Sensor reading high tells control griddle is already hot

Board cuts power early.

How to Fix It

  1. Power down at the breaker.
  2. Remove the cooktop and inspect the griddle element for visible damage; measure resistance for continuity.
  3. Replace the griddle element if open.
  4. Check element terminal connectors for arcing/discoloration; replace pigtail if damaged.
  5. Verify griddle sensor reads ~1090 Ω at room temp; replace if off.
  6. If element and sensor are good, replace the cooktop control board.

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 griddle element 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 →

Verified against manufacturer documentation: lg.com

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