Results 1 to 4 of 4

Thread: FIXED: Humming noise on Frigidaire FGMV175QFA

  1. #1
    Join Date
    Jan 2018
    Location
    Indiana
    Posts
    2

    Default FIXED: Humming noise on Frigidaire FGMV175QFA

    Model Number: FGMV175QFA
    Brand: Frigidaire
    Age: 1-5 years

    My microwave is making a humming noise when the door is closed. Exactly like the noise in the video below.

    https://youtu.be/GbjvRZg8fMo

    I tested the door switches with the door closed-
    Top switch has continuity
    Middle switch does not have continuity
    Bottom switch has continuity

    I believe the issue is with the control board but wanted to ask the experts.

    Thanks

  2. #2
    Join Date
    Jul 2006
    Location
    Murray, Utah 84107, United States
    Posts
    31,190

    Default

    Sounds like the control board: 5304506032 PC Board

    Just to be sure, disconnect the two wires on the primary side of the HV transformer. That eliminates all the HV components and the high side of the microwave.

    Tape the ends if necessary so they don't touch anything and see if the noise is still there.
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 31 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

  3. #3
    Join Date
    Jan 2018
    Location
    Indiana
    Posts
    2

    Default

    Thanks rickburton.

    I tested the HV transformer, all good. I ordered the control board and all is good.

  4. #4
    Join Date
    Jul 2006
    Location
    Murray, Utah 84107, United States
    Posts
    31,190

    Default

    Awesome! Thanks for the update!
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 31 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

Similar Threads

  1. FIXED: 665.13749K603 Humming noise
    By brianpjohn in forum Sears Kenmore
    Replies: 18
    Last Post: April 9th, 2018, 12:35 PM
  2. FFFW5000QW0 Frigidaire Humming Noise
    By Rwilson0831 in forum Frigidaire/Electrolux
    Replies: 5
    Last Post: June 30th, 2017, 09:22 AM
  3. Humming Noise Only
    By handy wife in forum Frigidaire/Electrolux
    Replies: 3
    Last Post: July 7th, 2014, 09:42 PM
  4. Intermittent humming noise
    By buckis in forum Whirlpool/Roper/Estate
    Replies: 1
    Last Post: January 9th, 2011, 01:12 PM
  5. HE3T Humming Noise
    By ski in forum Sears Kenmore
    Replies: 1
    Last Post: October 23rd, 2006, 07:01 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
If you feel that you have benefited from this site, and would like to show your appreciation, you can throw a buck or two in the Appliance Blog Tip Jar - Thank you!