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Icemaker Rotating Before Freezing


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8 replies to this topic

#1 rastmada

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Posted 03 July 2005 - 03:13 AM

I have a Kenmore (Whirlpool) side by side fridge with a flex tray ice maker.  The unit fills the ice tray with water perfectly, but it rotates constantly and dumps the water into the ice bucket before it is frozen.

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#2 Ron

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Posted 03 July 2005 - 06:18 AM

Rastmada,  sounds like your going to have to replace that flex tray.   With out a model number on the refrigerator,  hard to tell,   attached is a break-down of the Whirlpool flex tray,  hope this can be of help...Ron

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#3 Pegi

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Posted 03 July 2005 - 12:29 PM

The pin that holds the tray in the stall postion has broken.  You will need to have new gear kits installed in the ice maker or replace the whole assy.  Lock the arm up into the off postion to turn the ice maker gears off, but be sure to leave the ice maker plugged as the second set of gears run the whole refrigerator. Might as well turn the water off to the frig. in case it keeps rotating. If you do not want to replace the ice maker there is a flex tray by-pass system put out by Supco that will plug into the ice maker harness in the freezer that will take the place of the ice maker if it is removed. But without the ice maker or the by-pass system this box is dead.
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#4 rastmada

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Posted 04 July 2005 - 04:14 AM

Thanks for the response.  I inspected all of the ice maker components and none appear to be broken.  How does this unit control when to turn the tray and when not too?

#5 kdog

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Posted 04 July 2005 - 04:35 AM

the pin that pegi refers to is key#10 in the illustration,and it cannot be quickly "inspected" without disassembly of icemaker- you can believe us all when we tell you that you will either need to obtain a gear kit and rebuild your icemaker,or more simply, replace the entire icemaker altogether. you'll just have to trust our experience as we've seen this type of failure on more than one occasion,the answer to your question "how does this unit control when to turn the tray,and when not to?"  via the pin which is broken/worn inside the head of your icemaker.- suck it up and order a new one below.
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#6 rastmada

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Posted 04 July 2005 - 04:43 AM

Thanks again.  I'll order a new one and see if it fixes the problem.  However, I still don't quite understand how this system "knows" when the water is frozen.  Can you explain it?

#7 kdog

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Posted 04 July 2005 - 05:00 AM

as long as the freezer is cold,and the defrost termination switch is cloed- power is available to the icemaker, when all is working as it should,a small synchronous motor advances a gear reduction system until the pin in question pops into a holding slot,where it remains until the gearing lines up to a cam which releases this pin(under normal circumstance this would be adequate time to freeze the water). at that point,the unit goes into a harvest and begins the process all over again. as you can see, the function of the pin is CRITICAL. when rebuilding these units,much care must be taken in properly aligning the gears in the mechanism,and often a new motor,fill switch is required,and there is always the possibility of stripped screw holes as they drive into bakelite- thats why the simplest and most cost effective solution is to replace the entire icemaker.  these units are pretty old now,you may eve want to consider purchasing a new fridge that uses about 1/3 of the power that that watt guzzler does.
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#8 Mad Mac

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Posted 04 July 2005 - 11:01 AM

[user=533]Pegi[/user] wrote:

If you do not want to replace the ice maker there is a flex tray by-pass system put out by Supco that will plug into the ice maker harness in the freezer that will take the place of the ice maker if it is removed. But without the ice maker or the by-pass system this box is dead.


Yep, these incorporate the defrost timer. No I/M = no box :yikes:
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#9 Pegi

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Posted 04 July 2005 - 12:19 PM

To explain how the ice maker knows when the water is frozen, it does not. This flex tray ice maker has 2 sets of gears, one to run the ice maker and one to run the compressor and the defrost system in the box.  The motor in the ice maker runs thru the compressor system, so it goes into a harvest cycle every 2 HOUR COMPRESSOR RUN TIME.  Even if the freezer is not cold because say, there is no freon in the system, the ice maker would harvest every two hours compressor run time, which would of course be water since it would not freeze if the freezer was not cold.  There is a pin that holds the tray from rotating till this 2 hour compressor run time is up.  At that time it pulls back inside of the gears, releasing the tray to rotate.  The tray rotates and flexes on a plastic tab releasing the ice then comes back up right and fills with water, the pin moves back into the forward position thru the front gear hole to hold them all in place till it is time to rotate again. When this pin breaks the ice maker will just keep rotating, filling and dumping every 15 minutes. Another oddity about this system is people ask how they can get these to make more ice, faster.  The only way is to leave the frig. door open to keep the compressor running so it will go into a harvest cycle faster.   This would not work , of , course, since every thing in the box would  get warm and ruin.  These went out of production about 20 years ago, thank goodness.  A ref. that depends on an ice maker to run is a very bad design. So, either have yours rebuilt, replace the ice maker, or order the by-pass system and leave the ice maker out.
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