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Jenn Air Oven Fan Won't Turn Off

JES8850AAB

The part(s) or condition(s) listed below for the symptom Oven fan won't turn off are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Oven fan won't turn off

Cause 1Oven 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.

Parts
Oven Control Board for your Jenn AirRange/Stove/Oven
Oven Control Board - Part # 4436199 Mfg Part # WP74007221

Electronic oven control

Cause 2Oven 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.

Parts
Oven Control Board for your Jenn AirRange/Stove/Oven
Oven Control Board - Part # 4436348 Mfg Part # WP74009316

Electronic oven control with wire harness

Cause 3High 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.

Parts
High Limit Thermostat for your Jenn AirRange/Stove/Oven
High Limit Thermostat - Part # 695174 Mfg Part # WP71001844

High Thermostat, L225-60F

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