Roper Oven fan won't turn off

If your Roper oven fan won't turn off, first allow the oven to cool completely. The cooling fan may run for more than an hour after cooking, especially after a high-temperature cycle, and this is normal. If the oven fan keeps running after the oven is cool, the most likely cause is a stuck relay in the oven control board or main control board, which can send continuous voltage to the fan motor. Check the wiring diagram before replacing either board because control boards are often misdiagnosed. A defective high-limit thermostat or oven thermostat can also keep sending power to the fan. Use a multimeter to test each thermostat for proper continuity, following safe testing procedures and the manufacturer's wiring information. This troubleshooting applies when an oven fan won't turn off, an oven fan is not turning off, or an oven cooling fan keeps running. Disconnect power before servicing your Roper range, stove, or oven. Enter your model number to find the exact replacement control board, main control board, high-limit thermostat, or thermostat for your appliance.

01 - Roper 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 - Roper 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 - Roper 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 - Roper 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 - Roper 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 Roper oven fan turn off?

How do I test a Roper oven thermostat or high-limit thermostat?

Could the Roper oven control board be causing the fan to keep running?

How can I tell whether my Roper oven fan is running normally?

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

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