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Bwhite  
#1 Posted : Sunday, June 28, 2015 10:46:23 AM(UTC)
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Bwhite

Rank: Member

Groups: Registered
Joined: 6/28/2015(UTC)
Posts: 1

I followed these instructions :
Try to enter test mode:
press Bake, turn temp down to 100°F, hold down the bake key for 3 seconds. The control will flash the Preheat indicator and display the sensor temperature. At this time the display will also indicate the last recorded fault code, which is stored in the control. The fault code should be displayed by indicating an "F" follower by TWO numerals.

Result: It won't let me get through the first part of the sequence. It errors out before I can turn the temperature down to 100°.

Thanks for any suggestions.
Brad.
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Simon / APP Team  
#2 Posted : Sunday, June 28, 2015 1:45:39 PM(UTC)
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Simon / APP Team

Rank: Advanced Member

Groups: APP Team
Joined: 2/12/2012(UTC)
Posts: 5,556

Hi.

You need to check keypad and oven sensor. Unplug the range and open the control panel rear cover. Locate the four wire plug at the control board and unplug it. Check the resistance between the number 1 and 4 wires of the plug. Use a multimeter to check the sensor resistance. At room temperature you should read approximately 1080 Ohms. Replace if it is way out. If it's OK then disconnect the flex ribbon from the control board and use a cotton swab soaked in alcohol to wipe the edge of the ribbon. If that not going to fix the problem, replace the control board.

Here are the breakdown diagram and parts list for your range

Model MGR5770ADQ

Clock/control board Part number: AP4396934
Part number: AP4396934


oven temperature sensor Part number: AP4009456
Part number: AP4009456


Good luck. Please keep us posted with the results.

Thank you,

Simon.
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