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Modern Maid Oven fan won't turn off

If your Modern Maid oven fan won't turn off, a stuck relay in the oven control board may be sending continuous voltage to the fan circuit. This is not the most common failure, so check the oven thermostats and wiring diagram before replacing the board. A defective control board or main control board can also keep the fan running when a relay shorts closed. If the fan continues after the oven is turned off and has fully cooled, the main control board is likely defective. Keep in mind that the cooling fan may run for more than an hour after baking, especially after a high-temperature cycle. That is normal. If it still runs continuously, test the high-limit thermostat with a multimeter. A failed high-limit thermostat or thermostat may continue supplying voltage to the fan after cooldown. This troubleshooting guide helps with an oven fan not turning off, an oven fan not turning off after cooling, and an oven cooling fan running continuously. Enter your Modern Maid oven model number to find the exact replacement oven control board, main control board, high-limit thermostat, or thermostat for your appliance.

01 - Modern Maid 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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Top Solution

02 - Modern Maid 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 - Modern Maid 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 - Modern Maid 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 - Modern Maid 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 does my Modern Maid oven fan keep running after I turn it off?
How do I test the thermostat if my Modern Maid oven fan won't turn off?
Could a control board cause my Modern Maid oven fan not to turn off?
Is it safe to repair a Modern Maid oven fan that keeps running?
How do I find the correct Modern Maid oven fan or thermostat part?

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