LG range cooktop elements cycle on and off rapidly or do not maintain a steady simmer.

Safety first: Turn off power at the breaker before accessing controls.

• Understand cycling: Some cycling is normal as elements maintain temperature. However, very rapid cycling or inability to simmer may indicate a fault.
• Test with different cookware: Use flat-bottomed, appropriately sized pans to ensure good contact.
• Check infinite switch (coil): For coil-top models, a burner that only runs on high or cycles erratically may have a bad infinite switch. Replace the switch for that burner.
• Radiant limiter (smooth-top): If a radiant element overheats or cycles oddly, the limiter built into the element may be faulty. Replace the element assembly.