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Dynasty Oven fan won't turn off

When your Dynasty oven fan won't turn off, it may be operating normally during an extended cooling period. The cooling fan can run for more than an hour after the oven is turned off, especially after cooking at a high temperature. If the oven fan keeps running after the oven has completely cooled, check the thermostats before replacing a control board. A defective high-limit thermostat or oven thermostat can continue sending voltage to the fan circuit. The oven control board is another possible cause because a stuck relay may send continuous power to the fan, although control boards are often misdiagnosed. The main control board can cause the same problem if its fan relay shorts closed. Use the wiring diagram and a multimeter to test the high-limit thermostat for proper continuity before ordering parts. If testing points to the control board, main control board, or thermostat, enter your Dynasty range, stove, or oven model number to find the exact replacement part for your appliance. This helps identify the correct part for an oven fan not turning off or an oven fan that keeps running after cooling.

01 - Dynasty 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 - Dynasty 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 - Dynasty 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 - Dynasty 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 - Dynasty 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 Dynasty oven fan keep running after it is turned off?
How do I fix a Dynasty oven fan that won't turn off?
Could the Dynasty oven control board be causing the fan to stay on?
How can I identify the correct Dynasty oven fan, thermostat, or control board?
Is it safe to repair a Dynasty oven fan that will not shut off?