It could be worn motor bearings, a loose fan, or the fan blades catching the cover.
You are going to have to remove the cover over the fan to determine exactly what the noise is.
If it is worn bearings, then only solution is to replace the fan motor.
Was this helpful?
Yes
No
1 person thought this was helpful
Popular Solutions for Viking DEDO205 Stainless Steel
Viking DEDO205 Stainless Steel Electric Double Oven
brand new double ovens make horrible whistling fan noise during heating and cooling... help! ...
(More)(More)
brand new double ovens make horrible whistling fan noise during heating and cooling... help! service tech replaced blower, but noise is still there. he said perhaps the cabinet is too tight for ovens so noise is louder? it is an awful noise, help!
Posted. Thank You!
Congrats on your 3 solution. You're helping others! Someone may even thank you with a Testimonial.
Add the things you own to your My Products collection and get product information, solutions to problems, manuals & guides, tips and how-to's, reviews & ratings and local repair service - all in one easy place.