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KitchenAid Oven Won't Heat

KEMS308SSS04

The 6 most common part(s) or condition(s) which cause the symptom Oven won't heat are listed below starting with the most likely. Check or test each item and watch any available videos.

Grid is 1 inch square
Bake Element - Part # 1872387 Mfg Part # W10207398

Bake Element

RepairClinic Item # 1872387

If the oven won't heat, check the bake element. The bake element is a black tube near the bottom of the oven about as thick as a pencil. When it is operating normally, the bake element will glow red hot. If the oven won't heat, the bake element may have burned out. It is often obvious to see where the bake element has burned out because there will be a hole in the element or blisters on the outside of the element. Test the bake element using an Ohm meter. If it has continuity it's OK. If not, it should be replaced.

Grid is 1 inch square
Broil Element - Part # 1201761 Mfg Part # 9760774

Broil Element

RepairClinic Item # 1201761

If the oven won't heat, check the broil element. The broil element is a black tube near the top of the oven about as thick as a pencil. When it is operating normally, the broil element will glow red hot. In most ovens the broil element comes on during pre-heat. If the oven won't heat, the broil element may have burned out. It is often obvious to see where the broil element has burned out because there will be a hole in the element or blisters on the outside of the element. Test the broil element using an Ohm meter. If it has continuity it's OK. If not, it should be replaced.

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Other Causes and Conditions

Incoming Power Problem

Although not as common, if the oven won't heat it is possible that the appliance is not receiving proper voltage. Electric ovens require 220 volts of alternating current. If for some reason the appliance is receiving significantly less, the oven won't heat. Check for proper voltage using a volt meter at the socket where the appliance plugs in. For more information on this see the How It Works video above.

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Oven Control Board

RepairClinic Item # 1876370

The oven control board has a set of relays that turn on and off power to the bake and broil circuits according to the customer settings and sensor input. If the oven won't heat the problem is usually with the heating components. However, if the oven control board is bad, it might not send voltage to the heating components. To determine why the oven won't heat, first test the simpler components in the circuit. The oven control board can't be tested easily and will have to be replaced if it is defective.

Grid is 1 inch square
Thermal Fuse - Part # 1422151 Mfg Part # 8304452

Thermal Fuse

RepairClinic Item # 1422151

Although not as common, if the oven won't heat the thermal fuse may have blown. The thermal fuse is designed to protect the appliance and help to prevent a fire. If the oven gets too hot, this fuse trips. The thermal fuse is not resettable and will have to be replaced. It can be checked for continuity. If it has continuity, it's OK.

$58.60

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Other Causes and Conditions

Loose or Burnt Wire Connection

If the oven won't heat, there might be a burnt wire supplying power to the bake element. Sometimes the wire supplying power to the element burns out right near the element itself. Check for this by just looking at the wires leading to the element. If they're burned out it is usually easy to spot.

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