Litton Oven fan won't turn off

When your Litton oven fan won't turn off, first determine whether it is the normal cooling fan. The fan may keep running for more than an hour after the oven is shut off, especially after cooking at a high temperature. If the oven fan keeps running after the oven has cooled completely, a thermostat is more likely than a control board problem. A failed high-limit thermostat or oven thermostat can continue sending voltage to the fan circuit, so test each thermostat for continuity with a multimeter and replace one that tests incorrectly. If the thermostats check out, a stuck relay on the oven control board may be sending constant power to the fan. The main control board can cause the same oven fan not turning off symptom when its fan relay shorts closed, but control boards are often misdiagnosed, so check the wiring diagram and test other components first. Whether you need a high-limit thermostat, thermostat, control board, or main control board, enter your Litton oven's model number to find the exact replacement part for your appliance.

01 - Litton Range/Stove/Oven Oven Control Board

The oven control board has relays that regulate power to the bake, broil and fan circuits according to the user settings and sensor input. If one of these relays shorts out, the control board may send continuous voltage to the oven fan. However, this is rarely the case. Before replacing the control board, first check the oven thermostats. If an oven thermostat fails, it may cause the oven fan to run continuously.

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02 - Litton Range/Stove/Oven Control Board

If the oven fan is not shutting off, a relay on the control board may be stuck closed sending constant power to the oven fan. Check the wiring diagram first before replacing the board. Control boards are often misdiagnosed.

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Common

03 - Litton Range/Stove/Oven Main Control Board

The main control board has relays that send voltage to the fan motor. If one of the control board relays shorts closed, the control board may send continuous voltage to the fan. If the fan continues to run after the oven is turned off and cooled down, the main control board is likely defective. If the control board is defective, replace it.

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Common

04 - Normal Cooling Down Period

The oven cooling fan may run well over an hour after the oven is shut off to cool down the components. The hotter the temperature was set the longer the cooling fan needs to run to cool off the oven. This is normal.

Less Common

05 - Litton Range/Stove/Oven High Limit Thermostat

The high limit thermostat sends voltage to the oven fan as the oven heats up. If the high limit thermostat is defective, it may keep sending voltage to the oven fan after the oven has cooled down. To determine if the high limit thermostat is at fault, use a multimeter to test the thermostat for continuity. If the high limit thermostat does not have continuity, replace it.

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Less Common

06 - Litton Range/Stove/Oven Thermostat

The thermostat sends voltage to the oven fan as the oven heats up. If the thermostat contacts are stuck closed, the thermostat may continue to send voltage to the oven fan after the oven has cooled down. To determine if the thermostat is at fault, use a multimeter to test the thermostat for continuity. If the thermostat shows continuity at any temperature, this indicates that the thermostat is defective. If the thermostat is defective, replace it.

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Less Common

Frequently Asked Questions

Why won't my Litton oven fan turn off?

How long should a Litton oven cooling fan run after the oven is turned off?

How do I test the thermostat when my Litton oven fan won't turn off?

Could the Litton oven control board be causing the fan to stay on?

How do I find the correct Litton oven fan or thermostat part?

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