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  #111 (permalink)  
Old 07-06-2012, 05:03 PM
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You are welcome. We are glad it's up and running.

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  #112 (permalink)  
Old 11-13-2012, 06:01 AM
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Default Maytag, freezer overcooling, fridge warm

OK, Maytag model PBF2253HEW, been a great fridge since purchased a while back. Now all of a sudden, ice cream is so cold, I need to microwave it for 30 seconds to get any out, while the fridge is warming up.

We have always ran the freezer setting at 4, fridge at 3.

Rick
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Old 11-13-2012, 02:24 PM
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Hi Rick,

One of most common causes of such problem is an insufficient air flow between the freezer and the refrigerator. Check if the damper control opens properly. With door open the damper should open.

- The damper control Part number: 67003903

Part number: 67003903



Here are the breakdown diagrams and Parts for Maytag PBF2253HEW Refrigerator - AppliancePartsPros.com

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  #114 (permalink)  
Old 11-14-2012, 06:05 AM
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Quote:
Originally Posted by Gene View Post
Hi Rick,

One of most common causes of such problem is an insufficient air flow between the freezer and the refrigerator. Check if the damper control opens properly. With door open the damper should open.

- The damper control Part number: 67003903

Part number: 67003903



Here are the breakdown diagrams and Parts for Maytag PBF2253HEW Refrigerator - AppliancePartsPros.com

Gene.
OK Gene, pulled off the cover and checked the damper control. And it did open when I opened the door. But was real noisy. I ordered one because of the fact it was real noisy and said "made in china"

I pulled the back off the inside of the freezer, coils all iced over. No air was able to flow from the freezer to the fridge. I took my heat gun and held it far enough away, melted off all the ice and now air flow is moving again, freezer working great, so is fridge. Thanks for your help too Gene.

The wife had the freezer too full and periodically, the door would not close all the way. When this happens, we get lots of ice from the humidity around here. I suspect that happened a time or two, till it was just too iced up. All is great now.
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Old 11-14-2012, 01:12 PM
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You are welcome Rick. I hope it's fixed but if it will happen again on a different circumstances, let us know and we will help you with diagnosis.

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Old 12-14-2012, 12:56 PM
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Default Kitchenaid ksbs25fjwh00 Freezer is fine fridge warm

I've read all the posts here and think my problem is the diffuser. I checked freezer coils , no ice just light frost. Air is blowing in freezer but not into fridge. I put my finger into opening of diffuser styrofoam on the fridge side and there was no air coming through, no ice inside. On the freezer side it seems like the vents are closed. There was some drops of condensation on underside of the plastic housing that covers it. on fridge side.
Anyway do you think that is it ? If so how do you remove the old one?

Thanks,
Larry
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  #117 (permalink)  
Old 12-14-2012, 06:13 PM
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Hi Larry,

Run the test mode as instructed in the attached tech sheet to verify the diffuser (air door) performance.

- The diffuser Part number: 2209755

Part number: 2209755


Here are the breakdown diagrams and Parts for Whirlpool KSBS25FJWH00 Refrigerator - AppliancePartsPros.com

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File Type: pdf Wiring Sheet - 2199974 - KSBS25FJWH00.pdf (161.4 KB, 5 views)
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Old 12-26-2012, 06:15 PM
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Quote:
Originally Posted by Gene View Post
Hi Rick,

One of most common causes of such problem is an insufficient air flow between the freezer and the refrigerator. Check if the damper control opens properly. With door open the damper should open.

- The damper control Part number: 67003903

Part number: 67003903



Here are the breakdown diagrams and Parts for Maytag PBF2253HEW Refrigerator - AppliancePartsPros.com

Gene.
Gene, OK, I had mentioned the evaporator core was iced up almost solid, so no air flow through and up to the fridge (my complaint was ice box so cold, while fridge warms up) and I de-iced the evaporator, thought all was good. Freezer and fridge all working good. About 5 weeks later, fridge gets warm again. Sure enough, evaporator is all iced up again. The blend door at the back of the fridge is working fine. I thought maybe wife left the freezer door ajar, moist air, froze up. But while de-icing, I see this wire that runs down each side of the evaporator core and across the bottom. I was thinking it may be a heater. I checked the parts breakdown, sure enough, its a heater unit.
Whirlpool 67001794 Heater, Evaporator - AppliancePartsPros.com

Gene, have you had this unit fail? Or maybe a solid state controller that operates it failed??? Do you have a service manual on this, give me some resistant check/specs or have you seen this often enough? Is there a diagnostic mode on this unit to check for trouble codes. I'm a dealer (Toyota) by trade, been doing that for over 30 yrs, but without a service manual, the control portion etc is hard to diagnose.

Thanks in advance Gene for any help you may give me.

Rick
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  #119 (permalink)  
Old 12-27-2012, 01:20 PM
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Hi Rick,

The defrost system in your refrigerator consists of three parts. They are: the defrost heater, the defrost thermostat and the control board (inside the control panel). You have to check for continuity first two parts. The normal reading for the defrost heater is about 29 Ohms while the normal reading for the defrost thermostat (ice cold) is close to 0 Ohms.

If both of them are good, replace the control board.

- The defrost thermostat Part number: 67003426

Part number: 67003426



- The defrost heater Part number: 67001794

Part number: 67001794



- The control board Part number: 12868513

Part number: 12868513


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  #120 (permalink)  
Old 12-27-2012, 06:11 PM
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Gene, how much ice is acceptable on the evaporator core? The ice has always been confined to behind the panel and the opening (cold air passage) from the freezer to the fridge is always open (not iced shut), there is a fan that blows cold air to the fridge, it didnt run, but after thawing out, it started to run.

I already checked out the upper blend door. Its working fine. If for some reason, the small fan never runs allowing the fridge to warm up, that would overcool the freezer and undercool the fridge, which is what is happening.
What amount of ice on the evap core is normal? The ice is on the evap fins only, fairly thick, but never visible in the ice box, limited to just behind the panel. There is no ice above the evap core, the small fan is free to turn, the inlet grille (the one that snaps in the back panel) is clear and free of any obstruction.

I'm thinking the small fan just isnt running. Its a durable looking "brushless" design, spins free and smooth and did start to run after I was almost done defrosting. I didnt unplug the fridge, I just turned the digital freezer control down to minimum and it went to a "-" for the freezer and also a "-" for the fridge. After I thaw it, the fan runs, all is well. It went about 5 weeks since I did this last. I'm certain something is intermittent. But working fine now, going to be tough to locate.

With this extra info, if this helps, let me know.

What is the purpose of the evap core heater element? When is it supposed to come on? Is it an automatic feature or do I somehow have to put this into a "defrost" mode to make it work and is it used to keep the evaporator clear of excessive ice???

Last edited by ssauer40 : 12-27-2012 at 06:25 PM.
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