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vinh_golf  
#561 Posted : Friday, August 28, 2009 11:11:46 AM(UTC)
vinh_golf

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Originally Posted by: Gene Go to Quoted Post
Hopefully the attached troubleshooting instructions will help.

Here are the breakdown diagrams and Replacement parts for MAYTAG RS253BASB | AppliancePartsPros.com

Gene.


Gene,
The lower right of the fridge side is flashing and according to the diagram, it's state that
Refrigerator Defrost Sensor measures open or shorted.
What should I do next.
Thank you.
Vin
Gene  
#562 Posted : Friday, August 28, 2009 11:10:57 PM(UTC)
Gene

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Originally Posted by: charleswilt Go to Quoted Post
Gene,

Is this directed at me or somebody else?

Thanks!
Charles


Yes Charles. This reply is for you.

Gene.
Gene  
#563 Posted : Friday, August 28, 2009 11:12:46 PM(UTC)
Gene

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Originally Posted by: vinh_golf Go to Quoted Post
Gene,
The lower right of the fridge side is flashing and according to the diagram, it's state that
Refrigerator Defrost Sensor measures open or shorted.
What should I do next.
Thank you.
Vin


Vin,

Probably you have to replace that sensor.

Gene.
charleswilt  
#564 Posted : Saturday, August 29, 2009 5:21:15 AM(UTC)
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Gene,

I don't understand what you mean by "simple bar".

I've pulled the louver off, I don't see any blockages; however, the airflow isn't a straight path. It appears to flow down (inside the divider) and must then flow to the back where the coil is as the opeing in the freezer side is back by the coil.

I don't have any clue how I could check the whole path.

I suppose I could turn off the fridge for a few days with the hopes that if there's ice blocking the path it would melt. However, even if it melted would it drain out so it wouldn't freeze again?

Thanks!
Charles

Originally Posted by: Gene Go to Quoted Post
It looks to me like it is a simple bar and air should go through unles it's frozen or blocked somehow else.

Gene.
Gene  
#565 Posted : Saturday, August 29, 2009 3:13:00 PM(UTC)
Gene

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Quote:
...I suppose I could turn off the fridge for a few days with the hopes that if there's ice blocking the path it would melt...


Charles,

It might help. Keep the doors open to prevent an odor inside.

Gene.
vinh_golf  
#566 Posted : Tuesday, September 1, 2009 9:02:15 AM(UTC)
vinh_golf

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Gene,
What is the part number for that defrost sensor? Is it the defrost heater with evaporator coil?
Thanks,
Vin
Mike63  
#567 Posted : Thursday, September 3, 2009 9:22:07 AM(UTC)
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Brand---Maytag
Model # ---MTB2156GEW

Freezer is cold, fridge is not. There is just the smallest amount of frost on the back corner of the freezer. I preformed the first check:

4). Using a flat screwdriver, slowly turn the shaft in the middle of the defrost timer clock wise until it clicks to switch from the cooling cycle to the defrost cycle.

5). Wait about 10 to 15 minutes, open the freezer door and see if you can hear a sizzling noise. If you can, then the problem is the defrost timer which has to be replaced.


I heard no sizzling noise. I'm not sure as to how I can access the defrost heater and thermostat in order to perform the next steps.. The only access from the back of the unit is at the bottom. According to the schematic I found tucked inside the control unit panel the heater and T-stat are located near the top.

Questions:

1) Do I access from the inside of the unit?
2) If so, from the fridge or freezer?

Also I have noticed that the fan in the freezer is not running.

Questions:

1) Could this be related to the defrost failure? (That’s assuming it is a defrost failure)
2) When should the fan be on?
3) What controls the fan operation?
4) How do I diagnose?

Thank you for your anticipated response.

Mike
vinh_golf  
#568 Posted : Thursday, September 3, 2009 10:06:19 AM(UTC)
vinh_golf

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Mike,
I didn't check anything because the diagnostic test shows the failure of defrost sensor. I just replaced the sensor and it seems to work so far. You might want to replace the whole defrost heater and sensor since they might go together.
Good luck.
mguidos  
#569 Posted : Thursday, September 3, 2009 11:38:06 AM(UTC)
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I have the model mcbr1000w and I have the # 319NFBYY-53 HOR 4K of the part I need, but the search box don't get it. What else I can do???
Gene  
#570 Posted : Thursday, September 3, 2009 3:07:44 PM(UTC)
Gene

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Originally Posted by: vinh_golf Go to Quoted Post
Gene,
What is the part number for that defrost sensor? Is it the defrost heater with evaporator coil?
Thanks,
Vin


Vin,

If we are talking about sensor then it looks like it's shown as #25 on the diagram. I would check it for continuity.

- The sensor Part number: AP4136842
Part number: AP4136842



Gene.
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