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Whrlp Master Tech
Whrlp Master Tech, Whirlpool Master Technician
Category: Appliance
Satisfied Customers: 7328
Experience:  30 years Appliance Field 15 yr with Whirlpool Corp. 9 yrs Whirlpool Technical Assistance Line
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I have a GE JKP90KS 27" microwave/oven combo. The control panel

Customer Question

I have a GE JKP90KS 27" microwave/oven combo. The control panel works, lower oven works, breaker has been reset, light is on but the microwave does not put out heat (stopped all of a sudden without warning). I removed the front panel, but can't see if teh microwave is designed to come out without taking the entire unit out of the wall.

Also, any ideas if thre is a fuse or something else internal to check (rather than the microwave tube?).
Submitted: 1 year ago.
Category: Appliance
Expert:  Whrlp Master Tech replied 1 year ago.

Hello from JA
My name is Woody.
I will be glad to assist you today.
I have been servicing ALL Major Brands of Appliances for 33 Years,
and have over 100,000 in home repairs and over 50,000 phone and internet repairs under my belt.

May I have the FULL model number of the unit from the unit to better assist you ?

Customer: replied 1 year ago.

GE JKP90S; Serial # XXXXX 10046Q. I did get the unit removed, but how do I check teh tube?

Expert:  Whrlp Master Tech replied 1 year ago.

JKP90S is not a Complete number !!

a complete number will look like this JKP90SM2SS with just JKP90S gives me 28 models that start with that number ,I need to get closer then 28 differant models .

To chech the Magnitron tube you will need to Ohm it out with a meter to see if it has continuity across the two leads and from either lead to ground.

Customer: replied 1 year ago.

Model J KP90S M2SS How do you access the magnitron? The access plate on teh bottom is for teh turntable, not the tube

Expert:  Whrlp Master Tech replied 1 year ago.

if you aready have the unit out of the cabinet .

You will need to remove the outer cover sides /top three sided panel to gain access to the Magtube.

Most of the screws come from the rear !

Whrlp Master Tech, Whirlpool Master Technician
Category: Appliance
Satisfied Customers: 7328
Experience: 30 years Appliance Field 15 yr with Whirlpool Corp. 9 yrs Whirlpool Technical Assistance Line
Whrlp Master Tech and 8 other Appliance Specialists are ready to help you
Customer: replied 1 year ago.

one more question - the resistance to ground is 120 ohms on the magnitron. seems low, but not a dead short. Has continuity between leads (< 1 ohm).


 


Sound right?


 

Expert:  Whrlp Master Tech replied 1 year ago.

You should have NO continuity to ground at ALL , that would mean the magtube is faulty ,if you are checking terminal to ground and get a reading !

here is a link to the part if you need it .

CLICK HERE

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30 years Appliance Field 15 yr with Whirlpool Corp. 9 yrs Whirlpool Technical Assistance Line