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Model: MH110XSS-0	Brand: Whirlpool	Age: 1 - 5 years
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fsh962		#1 Posted : Thursday, August 6, 2009 11:03:24 AM(UTC)
Rank: Member Groups: Registered Joined: 8/6/2009(UTC) Posts: 2		i have a w/p mdl mh1170xss-0, i had a parts replacer/tech that i fired , he already replaced xfmr and capacitor. it comes on buzzing for 3-5 sec. and blows circuit brkr,please help


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Gene		#2 Posted : Thursday, August 6, 2009 4:13:10 PM(UTC)
Rank: Advanced Member Groups: Senior Expert, Administrators Joined: 7/19/2007(UTC) Posts: 27,455 Was thanked: 4 time(s) in 4 post(s)		You have to have a simple multimeter to perform the troubleshooting. Let us know when you ready. Gene.


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fsh962		#3 Posted : Thursday, August 6, 2009 4:32:16 PM(UTC)
Rank: Member Groups: Registered Joined: 8/6/2009(UTC) Posts: 2		Originally Posted by: Gene You have to have a simple multimeter to perform the troubleshooting. Let us know when you ready. Gene. Hey Gene I am ready!


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Gene		#4 Posted : Friday, August 7, 2009 12:53:58 PM(UTC)
Rank: Advanced Member Groups: Senior Expert, Administrators Joined: 7/19/2007(UTC) Posts: 27,455 Was thanked: 4 time(s) in 4 post(s)		Remove the top grill and open the control panel. Discharge the high voltage capacitor (#40 on the diagram) and test the capacitor. Also test the high voltage diode (#41). If there is nothing wrong then the magnetron (#9 on the diagram) has to be tested as well. In order to access the part you have to remove the microwave from the cabinet and remove the outer case. Remove the wires from the magnetron and check for continuity between each magnetron terminal and the body of the magnetron. If there is a continuity then the magnetron has to be replaced. Here are the breakdown diagrams and Replacement parts for WHIRLPOOL MH1170XSS0 \| AppliancePartsPros.com Gene.


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