Sunray Oven fan won't turn off

When your Sunray oven fan won't turn off, first determine whether it is simply completing its normal cooling cycle. The cooling fan may 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 cooled completely, a thermostat is a likely cause. A defective high-limit thermostat or oven thermostat can continue sending voltage to the fan circuit when it should stop. Use a multimeter to test each thermostat for proper continuity before replacing it. If the thermostats test correctly, inspect the oven control board and main control board. A relay that is stuck closed can send continuous power to the fan motor, although control boards are often misdiagnosed, so check the wiring diagram first. Replace the faulty board if it continues powering the fan after the oven is cool. This troubleshooting applies to a Sunray range, stove, or oven with a cooling fan that will not shut off. Enter your model number to find the exact replacement thermostat, control board, or main control board for your appliance.

01 - Sunray 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 - Sunray 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 - Sunray 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 - Sunray 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 - Sunray 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 Sunray oven fan keep running after I turn it off?

How do I know if the high-limit thermostat is causing my oven fan not to turn off?

Can a thermostat make my oven fan run continuously?

Is the oven control board the reason my Sunray oven fan won't turn off?

How can I find the correct Sunray oven fan or thermostat replacement part?

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