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Whirlpool Oven fan won't turn off

If your Whirlpool oven fan won't turn off, first determine whether it is the normal cooling fan running after the oven has been shut off. The fan can run for more than an hour, especially after high-temperature cooking, and should stop once the oven and internal components cool. If the oven fan keeps running after it has cooled, a stuck relay on the oven control board, control board, or main control board may be sending continuous voltage to the fan motor. Before replacing a board, check the wiring diagram and test the oven thermostats. A defective high-limit thermostat can continue powering the fan after the oven cools, while a thermostat with contacts stuck closed can cause the same problem. Use a multimeter to test each thermostat for proper continuity. If the fan remains on and a thermostat tests correctly, the related control board or relay board may need replacement. Always disconnect power before testing or replacing parts. Enter your Whirlpool range, stove, or oven model number to find the exact replacement cooling fan, thermostat, or control board for your appliance.

01 - Whirlpool 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 - Whirlpool 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.
Common

03 - Whirlpool 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.
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 - Whirlpool 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.
Less Common

06 - Whirlpool 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.
Less Common

Frequently Asked Questions

Why does my Whirlpool oven fan keep running after I turn the oven off?
How do I fix a Whirlpool oven fan that won't turn off?
How can I tell if the high-limit thermostat is causing my Whirlpool oven fan to keep running?
Should I replace the Whirlpool oven control board if the fan keeps running?
How do I find the correct Whirlpool oven fan or thermostat replacement part?