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Customer Questions and Answers for Oven Thermal Fuse by Whirlpool

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    • Part Number: AP3777386
    • MFG Part Number: 4456654
    • Made by: Whirlpool
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For Whirlpool Oven Thermal Fuse (Part Number: AP3777386)

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My wife put the self cleaning on & only the convection one on top was cleaned. That may be that she just hit upper one? When cycle is done top oven opens but bottom one doesn't open as it is locked. Error code says locked door and too hot 2 codes on panel were E-7 and F-5. I called Kitchen Aid & they said they didn't know but to turn the power off to see if it re-sets. Did that & no luck. When power restored panel said too hot and Door locked. So we let it sit for a day. Tried to turn upper oven on- No dice! Can't turn on lower over or open door. Where do I start? Some say it is a fuse? Some say it is a door latch? Some say to get a cost hanger to unlatch lower door? About to try it but I doubt that will make overs come back & work. Yo I am hungry & take out will get old soon & expensive. Help! Need to isolate problem. If it is a fuse, I think I need to get the door open to change it? If it is the door switch with cylinoid then that is a different deal. Why would both ovens crap out after one the top convection over gets cleaned. Used that convection over 2 times in 10?? Someone come to my rescue otherwise it will Pizza all day for Super Bowl But whatabout the hereafter SB?

Gary for Model Number KEBS207DBL8

ANSWER Hello Gary, The E7 F5 error code indicates that the self clean latch will not unlock. These are the things that you will want to do. First use a coat hange to unlatch door. Since it is the lower oven that the latch is faulty it can cause both to not work properly. You will want to check the latch assembly, Check the latch arm pivot joint, arm/solenoid connection, solenoid spring, and spring washer. Check the latch solenoid, Check for firm electrical connections. Disconnect the two wires from the solenoid and measure the resistance of the solenoid. A small resistance (approx 175 ohms) is normal. If the solenoid is open (infinite ohms) or shorted (0 ohms) it should be replaced. Check the latch switch. Disconnect it and use a continuity tester: Door latched = switch closed shoud read 0 ohms. Door unlatched switch open should read infinite. Check the door open closed switch. Disconnect it and use a continuity tester: Door open= switch closed should read 0 ohms and door closed = switch open should read infinite. Check power and element connections. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html 

Answered by AppliancePartsPros.com   |   Monday, February 04, 2013

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