Range: Oven not baking properly
If the oven isn't heating to the baking temperature you set-it's too hot or not hot enough-the oven temperature sensor could be malfunctioning. Or the problem could be with the electronic oven control board, which controls oven functions.
You can test the oven temperature sensor probe by unplugging the range and measuring sensor probe resistance using a multimeter. You should measure about 1,080 ohms of resistance through most probes at room temperature. Refer to the tech sheet for the probe's resistance specification for your range. You can likely find the tech sheet in the control console or taped to the back of the range. Replace the oven temperature sensor probe if you don't measure the correct resistance through the probe. If the probe is okay, then you may need to replace the electronic oven control board.
If your oven uses a control thermostat instead of an electronic control board to control oven temperature, the oven control thermostat may have failed.
In a gas range, a weak oven igniter may intermittently fail to ignite the oven burner, preventing the oven from reaching the set temperature.
If food isn't browning, the broiler element or burner might be at fault; many ovens activate boiling briefly to brown the top of baked dishes.
The oven won't bake properly if the oven door doesn't shut fully. A problem with the door hinges can prevent the oven door from shutting properly. Adjust the oven door hinges or replace them if damaged.
Replace the range oven temperature sensor probe
The oven temperature sensor probe detects the actual temperature in the oven cavity. Replace it if it's not detecting the temperature properly, in which case the oven doesn't maintain the temperature you set. A complete failure, in which the sensor probe doesn't detect any temperature at all, usually triggers an error code on the electronic oven control board.
Replace the range bake or broil element
In an electric oven, the bake element at the bottom of the oven and the broil element at the top of the oven provide the heat for baking and broiling. Replace them if they're broken or if the oven isn't heating properly.
Replace the range oven igniter
Most gas ovens have a glow-bar oven igniter and a safety gas valve. Those components are connected in a series-type electrical circuit. When the glow-bar oven igniter is hot enough to safely ignite the gas, the safety gas valve opens. Replace the oven igniter if doesn't glow, or if it glows but doesn't get hot enough to open the gas valve. Some ovens have a separate igniter for the bake burner and the broiler burner, which operate on the same principle.
Replace the range electronic oven control board
The electronic oven control (EOC) board governs the timing and execution of oven functions such as baking and broiling. It's usually in the control console and often has a digital clock on the front of its housing. Replace the electronic control board if it doesn't light up when it's supplied with electrical power, if it doesn't operate properly or doesn't properly send voltage to the bake or broil element (in an electric oven) or burner (in a gas oven).
Replace the range oven control thermostat
The oven thermostat is a temperature-controlled switch that controls heating inside the oven. Replace the thermostat if it doesn't maintain the oven temperature incorrectly, if it fails to turn on to the oven burner to heat the oven, or if it fails to turn off the burner when the oven is at the set temperature.
Replace the range oven door hinge
Replace the oven door hinges if the oven door won't close properly or won't stay closed because a hinge is damaged or bent. Replace both hinges even if just one is damaged, to ensure even tension on both sides of the door.
The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it doesn’t control the oven light properly.
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