When your Brown range, stove, or oven is making a loud noise, start by identifying when and where the sound occurs. For oven fan noise or a rattling sound, inspect the fan blade first. A bent blade or blade sliding on the shaft can rub against the housing and should be replaced if damaged. A gas burner that makes a sudden "whoosh" may have a faulty spark ignition switch or spark ignition switch and harness that works intermittently, allowing gas to build up before ignition. Test the switch for electrical continuity with a multimeter. If the noise comes from the oven during heating, a weak oven igniter may delay ignition and cause a small "boom." An igniter that glows for more than 90 seconds without lighting the gas, or has no continuity, needs replacement. A worn fan motor can also cause humming or rattling when its bearings fail. Finally, a failing convection motor can make the fan hit the housing or rattle as the shaft wobbles. Enter your Brown range model number to find the exact replacement part for your appliance.
01 - Brown Range/Stove/Oven Fan Blade
The fan blade may be bent or sliding on the shaft and rubbing on the housing. Inspect the fan blade. If the fan blade is bent or damaged it will need to be replaced.
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If the gas is not lighting correctly, it can build up and flash, causing a “whoosh” noise on the burner. This can potentially be caused by a faulty spark ignition switch only working intermittently. You can use a multimeter to test the spark ignition switch or switches for electrical continuity to determine if the component is functioning normally.
03 - Brown Range/Stove/Oven Spark Ignition Switch and Harness
If the gas is not lighting correctly, it can build up and flash, causing a “whoosh” noise on the burner. This can potentially be caused by a faulty spark ignition switch and harness only working intermittently. You can use a multimeter to test the spark ignition switches for electrical continuity to determine if the assembly is functioning normally.
The fan motor turns the fan blade to circulate the air. The fan motor is often sold as an assembly. If the fan motor bearings are bad, or the fan blade or blower is damaged, the fan motor will need to be replaced.
If the gas is not being ignited promptly, it can build up and flash causing a small "boom" noise in the oven or a "whoosh" noise on the burner. A faulty igniter could be the cause of the gas not igniting promptly. To determine if the igniter is defective, observe the igniter when the oven is on. If the igniter glows for more than 90 seconds without igniting the gas flame, this indicates that the igniter is too weak to open the valve. If the igniter is weak, replace it. If the igniter does not glow at all, use a multimeter to test the igniter for continuity. If the igniter does not have continuity, replace it.
The convection motor drives the convection fan to circulate the air inside the oven. The convection oven must circulate the air for the oven to heat evenly. If the motor bearings are bad the motor may rattle or the fan may hit the housing. If the convection fan motor shaft wobbles, or the motor is making a loud noise, replace the convection motor.