Model #MZD2768GEQ MAYTAG Side-by-Side Refrigerator

  • Compressor
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  • Controls
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  • Freezer Compartment
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  • Fresh Food Outer Door
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  • Fresh Food Inner Door
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  • Freezer Outer Door
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  • Freezer Inner Door
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  • Fountain
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  • Ice Maker
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  • Ice Bin
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  • Wiring Information
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  • Shelves & Accessories
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Question and Answers

Q:

I have a Maytag SXS Refer M#MZD2768GEQ, S#11279875ZW. I have 3 different problems please respond to all of them. #1 - We are having a defrost problem.

A:

I know this type of information can be very helpful for you to have.  While you are waiting for your expert answer, I did some research on the unit.  I was unable to locate information that would be helpful with regards to your question at this time.  Your expert will answer within two business days.  I also added the link below to Sears Home Services, if you decide to schedule service.  Thank you for using Manage My Life.
 

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Yadira B -
March 14, 2013
A:

Thank you for your question. I'm sorry you are having this problem with the fridge. I see you have replaced all of the components for the defrost system. The only other component that would cause the panel to build with frost would be if, the fan motor stopped running. If the motor is running and the back panel is building up with frost, it will indicate there is still a problem with the defrost system. The frost build up will reduce and can stop the air flow to the fridge section. The bias heater next to the air diffuser is not part of the defrost system and will not have any effect on it. The fans behind the crisper drawers are included in the complete drawer assembly and are not separate. These fans are only for the crisper drawers. The control on the drawers will regulate these fans.  A good check for the defrost system will be to manually advance it into the defrost mode. This is done by cycling the cold control on and off 3 times within 6 seconds and the control needs to be left in the closed (calling for cooling ) position. The contacts must actually open and close for this to function to work. If the heating element does work now, it will mean the defrost control board is not advancing automatically and will need to be replaced again. If the heating element does not work, disconnect the wires on the defrost thermostat and connect them together. Be sure to disconnect the power first. Make sure the wires do not touch anything and reconnect the power. If the heating element works now, it will mean the defrost thermostat has not closed and if the temperature is below 15 degrees, the thermostat will need to be replaced. If the heating element still won't work, disconnect the power again and also disconnect the wires on element. Now, check the resistance of the element and if there is no reading, the element will need to be replaced. If there is a reading, the element will be ok. In this case, some voltage checks will need to be made to determine if there may be a wiring problem in the unit. A technician will be needed to make this type of check. I'm listing a site you can access, to have a tech come out. Here is a link for the website: Sears Home Services. I hope this will help you.

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Scott D -
Sears Technician
March 15, 2013
A:

Thank you for your response. Regarding the bias heater next to the air diffuser, is there anyway to test this part and what is its function? Also, is there anyway to test the fans behind the crisper drawers? Is there anyway you can tell me what voltage checks need to be made to determine if there may be a wiring problem in the unit. I'm comfortable with doing live voltage checks. Thanks again

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rhawkins58 -
March 15, 2013
A:

rhawkins58, the only check that can be made for the bias heater is a resistance check (18k ohms). Disconnect the wires to check the resistance. Be sure to disconnect the power before making this check. If there is no reading at all, the heater would need to be replaced. The purpose of this heater is to provide some additional heat on the air diffuser, to open the damper and allow more air flow to the fridge section. This type of drawers can be difficult to service and if a component fails, the complete drawer assembly will need to be replaced. The motors in these drawers operate on 120 volts. To check the motors, the drawer assembly will need to be pulled out to access the motors. If the problem you are having is defrost related, the bias heater and these fan motors will not have any effect on the defrost system. I hope this will help you.

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Scott D -
Sears Technician
March 18, 2013
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