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Hi,Welcome to Just Answer, My name is Bryan, I will be helping you with your appliance issue today.
You absolutely do have a defrost Frost issue in this, give me a few minutes I'm going to take a look at your model and I will get back to shortly, do you have a voltmeter and know how to check continuity?
I do have a prettey good voltmeter but I'm not great at knowing how to work it. Mechanics and wood I'm good with but electrical work not so much. If you could tell me which settings to put the 2 dials on and just a brief suggestion I'm pretty sure that I can check what you need me to check.
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Hello again Bryan
Sorry I've been so long getting back with you. Things are real busy for us right now. Anyway, thank you very much for the links. I tested the heater and though it looks bad it still showed a signal of about I think 27 or so. I then checked the thermostat and it did not show anything but when I changed the settings on my meter to 2000k I did get a reading. Now what do you think I should check?
In my opinion your defrost timer is bad,Attachments are only available to registered users.Register Herethis is the replacement, there are only three things and you checked two of them and they check out, I would replace the timer, it's located in where your controls are inside the refrigerator section it's part number 15 on this diagram, Attachments are only available to registered users.Register Hereif you drop the control down you will see it in the middle, you can order this at the following link
http://www.searspartsdirect.com/partsdirect/part-number/Mayta g-Parts/Refrigerator-Parts/68233-3/0046/464/Model-MTB2156DEW/3048/0166000?keySuffixId=NA&productTypeId=0166000&searchModelNumber=MTB2156DEW&subCompDesc=Controls&brandDesc=MAYTAG&modelDesc=TOP-MOUNT-REFRIGERATOR&blt=11 this should take care your issue, thanks and well wishes, Bryan
You have been very helpful and very patient. I know that you deal with a lot of clients and it may be worth reviewing our notes for further advice. I left out a part of our work progress. When you told me to test the defrost coil itself I looked up the instructions to use my meter and it tested out fine even though it looked really bad in appearance. I then checked the continuity on the thermostat and it showed nothing so I ordered the coil just to be sure and the thermostat because I thought it was bad. When the new parts came in I tested the thermo and it tested dead until I changed the setting on my meter. In reality both were good. But then we came to the conclusion that the timer was bad. I bought a new one and when I got in there I noticed that the defrost drain was clogged with THEIR SPECIAL SEALANT. I cleared it out, replaced the timer, coil, thermo, but feel that really all I needed to do was check the drain. FYI. I am out 170.00. I live pay check to pay check but I still may have come out ahead a little and learned quite a bit. I don't blame you cause you go by the book and that's good, but I just wanted to give you a bit of insight that MAY help you in the future diagnose future problems. I always feel like an idiot when I find out what was really wrong but that is the cost of not being a professional. Thanks for being patient and I hope my payment reaches you. You deserve it.