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FIXED 790.42003605 Kenmore Pro electric double wall oven, temperature issues with the upper oven only

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AYSF

Premium Member
Joined
Sep 9, 2019
Messages
19
Location
Woodbridge,VA
Model Number
790.42003605
Brand
Sears Kenmore
Age
1-5 years
Hi
I am having temperature issues with the upper oven only. On display it would say 400 degrees but in actual ot would be far less than that. Maybe off by a 100 degrees. I have replaced temperature sensor already which did not help. Also it does heat up on bake and broil so it's not the heating elements also. I am thinking it may be control board but my oven has multiple control boards in it. I am wondering if it would be the relay board or main control board that might need replacing. Model # is 790.42003605.
THANK YOU.
 

rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
44,797
Location
Murray, Utah 84107, United States
Here's the part you need. The relay board serves to energize the upper and lower oven heating elements, convection and door lock motors, cooling fan and oven lamp.
frigidaire-board-316443910-ap3960187_01_m.jpg
 

AYSF

Premium Member
Joined
Sep 9, 2019
Messages
19
Location
Woodbridge,VA
Hi Rick,
Thanks for your response. I replaced the relay board today and so far it has been working fine. Main issue I was having was that oven would heat to set temp but temperature would fluctuate drastically while oven was working. Anyway thanks for the help.
 
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