LG · Oven Moderate

F59 — Griddle not heating

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.

Keep using it?
Yes, with caution
DIY difficulty
Moderate
Verified against
lg.com ↗

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.

Why it happens

Typical signs: F59 or F-59 on display · Griddle stays cold or barely warms · Power indicator on but no heat at surface

  • Open griddle heating element Element burned through; no continuity.
  • Failed griddle relay on cooktop board Element never sees voltage.
  • Loose element terminal Push-on connector burned and lost contact.
  • Sensor reading high tells control griddle is already hot Board cuts power early.

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.

  • LG range griddle element 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 — Rear Cooktop Sensor Error (Zone Varies by Model) F1 Range F1 — Upper Oven Thermistor Error

All LG codes → All oven codes →

Frequently asked questions

What does the F59 code mean on a LG oven?

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.

What causes the F59 code on a LG oven?

Open griddle heating element: Element burned through; no continuity. Failed griddle relay on cooktop board: Element never sees voltage. Loose element terminal: Push-on connector burned and lost contact.

Is it safe to keep using a LG oven with a F59 error?

Yes, with caution. This is rated a moderate-severity fault.

How do I fix F59 on a LG oven?

Power down at the breaker. Remove the cooktop and inspect the griddle element for visible damage; measure resistance for continuity. Replace the griddle element if open.

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.