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Author Topic: jvm1650wh01 fan comes on when door is opened  (Read 393 times)

Offline haroldshell

  • Technician
  • Member Since: Sep 2015
  • Posts: 180
jvm1650wh01 fan comes on when door is opened
« on: December 13, 2016, 10:28:11 AM »

12 year old unit, works ok but the fan comes on when the door opens. usually just recommend replacing at this age but the customer is a little old lady and like the unit. have not done much in microwaves, sounds like maybe a door switch?

Offline scrapiron

  • Technician
  • Member Since: Nov 2011
  • Posts: 444
  • Country: us
  • Service Tech Since 1974
Re: jvm1650wh01 fan comes on when door is opened
« Reply #1 on: December 13, 2016, 02:21:30 PM »
From looking at the wiring diagram, it sounds like the primary interlock switch. When the door is opened, voltage is applied to the cavity lamp. The primary interlock switch connects between the lamp and fan circuits. If the primary interlock is stuck closed, the fan would also run when the door is open.

Offline haroldshell

  • Technician
  • Member Since: Sep 2015
  • Posts: 180
Re: jvm1650wh01 fan comes on when door is opened
« Reply #2 on: December 15, 2016, 10:06:13 AM »
yeah, thats what i got also, the switch is still available too, looks like a good day for the lol! :thanks:

Offline olyteddy

  • Technician
  • Member Since: Jul 2012
  • Posts: 442
  • Country: us
Re: jvm1650wh01 fan comes on when door is opened
« Reply #3 on: December 17, 2016, 12:22:28 PM »
I work in a retirement community with about 900 GE Microwaves. This may sound strange but I've also seen that happen in that line of them because one of the wires that go to the turntable motor has become chafed and grounds out. Plug into a GFI outlet and if it trips that's likely the cause.

Offline haroldshell

  • Technician
  • Member Since: Sep 2015
  • Posts: 180
Re: jvm1650wh01 fan comes on when door is opened
« Reply #4 on: December 18, 2016, 10:19:29 AM »
 :thanks: will do!

 

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