If your Sunray range is making a loud noise, the fan blade is the most likely cause. A bent blade or blade sliding on the shaft can rub against the housing and create an oven fan noise or rattling sound. Inspect the blade for damage and replace it if needed. If you hear a sudden "whoosh" from a burner, the spark ignition switch or spark ignition switch and harness may be working intermittently, allowing gas to build up before ignition. Test the switch for continuity with a multimeter. A worn fan motor is another common cause, especially when bad bearings or a damaged blower create a humming or grinding sound. For a small boom in the oven, a weak oven igniter may be delaying gas ignition. If it glows for more than 90 seconds without lighting the burner, or has no continuity, replace it. Finally, a failing convection motor can rattle or allow the fan to hit the housing. Enter your Sunray range model number to find the exact fan blade, motor, spark ignition switch, harness, or igniter replacement part for your appliance.
01 - Sunray 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 - Sunray 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.