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- > Do-It-Yourself Appliance Repair Help > The Kitchen Appliance Repair Forum > Kenmore (maytag) Fridge Defrost/Icemaker problems

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Kenmore (maytag) Fridge Defrost/Icemaker problems  Rating:  Rating
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 Posted: Fri Oct 22nd, 2010 04:07 pm
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JimiB
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Ok Kenmore 596.72253202
Icemaker stopped working a month or so ago. Voltages look ok so likely a bad module but - it did this once before and somehow got it working again.
Then freezer starts frosting up.
I checked the adaptive defrost board - it looks ok/smells ok.
Put the freezer manually into defrost mode and the heater dosent heat up.
Pulled the panel inside the freezer in back and the coils arent particularly frosty but the thermostat and copper tubes that are coiled are a solid block of ice 6in in diameter. I thawed it with a heat gun. Heater gives me 27ohms and thermostat gives me 54K. Where the hell did the water come from for the ice block?
Perplexed

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 Posted: Fri Oct 22nd, 2010 04:43 pm
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RegUS_PatOff
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post pictures of the ice block .. next time ....

post pictures of Evaporator Coils after Compressor has been running an hour or more

post somewhere  http://www.imageshack.us/

then post the links here

 



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 Posted: Fri Oct 22nd, 2010 05:15 pm
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JimiB
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will do. The water clearly came from above. Seem like it came down the copper line where it enters the freezer. Is this just condensation? Could it just be 5 years of condensation? Would the thermostat being frozen solid in a block of ice kill it?

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 Posted: Mon Oct 25th, 2010 10:37 pm
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JimiB
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new thermostat and once the freezer got cold again the heater works when I put it into manual defrost mode. Now to fix the icemaker!

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 Posted: Tue Oct 26th, 2010 01:01 pm
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appl.tech.29501
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An "ice" block usually indicates that your fill water for the icemaker is not making it to the icemaker but dumping down onto the top of the evaporator. This may be your problem with your icemaker. Check the tube that carries the water from the back wall to the icemaker to ensure it isn't cracked of out of place.



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 Posted: Thu Oct 28th, 2010 02:15 pm
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JimiB
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Thank you - good point! I have checked that and everything appears to be ok all the way to the fill tube.

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 Posted: Fri Oct 29th, 2010 02:57 am
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BrntToast
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remove the fill tube from the back wall of the fridge and make sure there is no ice formed in it

if there is thaw it and reinstall

if you have a repeat failure of the same nature you will have to replace the water valve



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 Posted: Fri Oct 29th, 2010 04:33 pm
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JimiB
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Thank you! I replaced the water valve since I had one on hand and checked the fill tube before I found the ice block so perhaps I solved that problem before I found it. I think I need a new module since I get nothing when I do a manual harvest by, jumpering T and H but I have 120vAC across L and N.

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