What F19 (Oven Heating Error) Means
F19 indicates an Oven Heating Error, per LG's range Help Library article - a general heating fault, listed separately from F6's specifically upper-cavity heating error and F9's not-heating-properly condition.
Common Causes of F19 (Oven Heating Error)
- Heating element fault
- Control board fault affecting heating logic
🔧 One Safe Check You Can Try
Press the CLEAR/OFF key and try the original function again; if it reappears, cycle the circuit breaker for 30 seconds before trying once more.
⚠ Why You Shouldn't Go Further Than That
- If F19 returns after a breaker cycle, don't rely on the oven for food that needs to reach a specific safe internal temperature until it's been inspected - an oven with a genuine heating fault can leave food undercooked without any obvious sign from outside.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.