Direct answer: If the bottom of your GE Profile oven is not heating, the most common cause is a failed oven bake heating element or weak bake circuit, especially when the broil still works and the oven takes forever to preheat.
Most likely: Start by confirming whether the oven is actually calling for bake heat, then look for a bake element that stays dark, has blistering, cracks, or a burned spot.
Separate the lookalikes early: an oven that will not heat at all is different from an oven that has top heat but no bottom heat. Reality check: many ovens can still get a little warm from broil assist, which makes a dead bake element easy to misread. Common wrong move: replacing the temperature sensor just because the oven is heating unevenly.
Don’t start with: Do not start by ordering an oven control board. On this symptom, the bake element and basic heating pattern usually tell the story first.
The upper heat comes on in broil, but the lower element stays dark or the oven barely warms in bake.
Start here: Watch the lower bake element during a bake call and inspect it closely for splits, bubbles, or a burned-through spot.
Preheat takes a long time, bottoms stay pale, and the top of food browns too fast.
Start here: Check whether the lower element cycles on at all during preheat and compare the actual cavity temperature with the set temperature.
You see blistering, arcing marks, a crack, or a section burned open on the lower element.
Start here: Turn power off and treat the oven bake heating element as the leading failure until proven otherwise.
Bake and broil are both weak, the display may act normal, but the oven never really heats.
Start here: Check the breaker first and avoid buying a bake element until you know the oven has full power and the control is actually calling for heat.
This is the most common reason for no bottom heat on an electric oven. The oven may still get some heat from the top, which makes the failure look less obvious.
Quick check: Run bake and look through the door after a few minutes. A bake element that stays cold, never glows at all, or shows a burned spot is a strong clue.
A bad terminal can stop current to the lower element and may leave scorch marks, melted insulation, or intermittent heating.
Quick check: With power off and the element pulled forward slightly, inspect the wire ends and terminals for burning or looseness.
If the sensor is reading wrong, the control can shut bake heat down too early or heat erratically, even when the element itself looks intact.
Quick check: If the bake element looks sound and the oven heats some but never reaches or holds temperature correctly, the sensor moves up the list.
If the oven has full power, the bake element and wiring check out, and the control never sends bake heat, the fault may be in the control side.
Quick check: This becomes more likely only after the bake element, wiring, and sensor have been ruled out.
Wrong mode, delayed start, or a partial power issue can mimic a dead lower element.
Next move: If bake starts heating normally after resetting the cycle or breaker, monitor the oven for a day or two before replacing anything. If broil works but bake still does not, move to the lower element checks next.
What to conclude: A working broil with dead or weak bake points you toward the oven bake heating element, its wiring, or the bake control path rather than a total power loss.
The heating pattern tells you more than the display does. A control can say preheating while the lower element never actually heats.
Next move: If you find visible damage or the lower element never heats while broil does, the oven bake heating element is the likely fix. If the lower element looks normal and seems to heat at least part of the time, keep going before ordering parts.
What to conclude: Visible damage or a cold lower element during a bake call strongly supports a failed oven bake heating element.
A good element cannot heat if the wire connection behind it is burned or loose.
Next move: If the terminals are clean and tight but the element is damaged or dead, replace the oven bake heating element. If the connector is burned back into the insulation, or the wire is too short to safely access, stop and have it repaired properly.
When the element is not obviously failed, the way the oven heats helps narrow it down.
Next move: If the lower element heats but temperature control is clearly off, the oven temperature sensor becomes a reasonable next part. If the temperature pattern is erratic and you cannot tell whether the element is being energized consistently, the diagnosis is moving beyond simple DIY.
By this point, you should have enough evidence to make one grounded repair choice instead of buying parts blindly.
A good result: If the oven now preheats normally and food browns evenly top to bottom, the repair path was correct.
If not: If the new element or sensor does not change the symptom, the remaining likely issue is wiring or control-side failure that needs deeper testing.
What to conclude: The bake element is the usual fix here. Sensor replacement is a second-tier call. Control problems are real, but they are not the first part to buy on this symptom.
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That usually points to a bake-side problem, most often a failed oven bake heating element. The broil element at the top can still make the oven feel warm, which is why this symptom gets misread so often.
Sometimes, yes. The broil element can add enough heat to make the oven seem like it is preheating, but it will be slow and food will often brown on top while staying undercooked underneath.
If the lower bake element clearly heats and looks intact, but the oven temperature is consistently wrong or unstable, the sensor becomes more likely. If the lower element stays cold or is visibly damaged, start with the element.
Not first. Control boards are a later call on this symptom. Most no-bottom-heat complaints come down to the oven bake heating element, its wiring, or less often the temperature sensor.
It is better to stop using bake until you know what failed. A damaged element or burned terminal can arc or overheat, and even a mild failure can cook food unpredictably.