Symptoms we get called for
Most LG range calls fit one of these.
- One gas burner will not light, or lights with a lazy flame.
- All igniters click at once and will not stop.
- A radiant zone does not glow.
- The oven takes far too long to preheat.
- The oven is off by 25 degrees or more.
- The display is blank or shows PF after a power cut.
LG says PF means power to the range was cut. It clears when you press a key. The rest need testing.
Gas burners and the UltraHeat burner
LG gas ranges have sealed burners. The big one is the UltraHeat burner. It puts out far more heat than the others. Its head has many ports, and a boil over can fill them.
We lift the cap and head and clean each port. We check the electrode gap and the spark wire. If every burner clicks, a spark switch has shorted. Those switches sit on the valve stems behind the knobs.
Radiant and induction surfaces
LG radiant tops have single, dual and triple elements. A triple element has three rings. One ring can fail while the others work. The element under the glass is replaced as one piece.
LG also sells induction ranges. These heat the pan through a magnetic field. A zone that will not start may just have the wrong pan on it. If a good pan fails, we test the coil and its board. A cracked glass top on either type means a new glass.
The oven half
Many LG ranges use ProBake Convection. The heat comes from the back wall with a fan. InstaView models light the window when you knock twice.
In a gas oven, slow preheat nearly always means a tired igniter. In an electric oven, we check the rear and broil elements. A bad temperature sensor throws off both types. Double oven slide-in models have two of everything, so we test the upper and lower cavity one at a time.
LG makes a dual fuel slide-in range. Flame cooks on the surface while electric elements heat the oven. That means a gas line and a 240 volt circuit. A dead oven with working burners on one of these is often an electric supply fault. We check the outlet and breaker before parts.
Try this first
Let wet burner parts dry, then set them back flat. Check the breaker and the gas shutoff. Turn off the control lock. If the knock light fails, try a firmer double knock near the center of the glass.
How we price an LG range repair
You will never guess at cost with us. The tech tests the range, then hands you one price. Both the part and the labor sit inside it. The testing visit is $79 for a home. We waive it if you say yes to the work. We work 6 AM to 9 PM, Saturday and Sunday the same as weekdays. We often arrive the day you reach out. The person at your door is insured, licensed and screened with a background check. A 30-day repair warranty goes with the range repair. A+ is independent and does not act for LG.
Repair or replace
Igniters, elements, switches and sensors are easy wins. They cost little next to a new slide-in range. A control board or induction power board costs more. On a range past ten years old with other wear, we will say so. The choice stays with you.
Illinois homes can book through our Chicago appliance repair page. There is more on the range repair page. The LG appliance repair page covers every LG product. For built-in units, see LG oven repair. A range is done when each burner lights and the oven holds 350 on our meter.