When your Norge oven fan won't turn off, first determine whether it is the cooling fan completing a normal cooldown. The oven fan may keep running for more than an hour after the oven is turned off, especially after a high-temperature cycle, and should stop once the oven components cool. If the oven fan keeps running after the oven has cooled, a stuck relay on the oven control board or main control board may be sending continuous voltage to the fan motor. Check the wiring diagram before replacing either board, since control board problems are often misdiagnosed. A defective high-limit thermostat or oven thermostat can also keep the fan energized. Test each thermostat for proper continuity with a multimeter, following the manufacturer's wiring information, and replace a thermostat that fails the test. If you are searching for how to turn off an oven cooling fan, do not disconnect wiring while the range is powered. Enter your Norge range, stove, or oven model number to find the exact replacement control board, thermostat, or other part that fits your appliance.
01 - Norge 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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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.
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.
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 - Norge 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.
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.