Question about LG LRBN20510WW Bottom Freezer Refrigerator

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Model LG LFX25971ST bottom freezer refrigerator - Purchased in 6/08 - Started hearing a loud knocking noise periodically. Had numerous service calls ending in replacing the ice maker twice and replacing the water valves, and the last service tech taped up the lines in the back thinking that was the issue. Nothing has solved the problem. I noticed when the compressor came on I would hear the knocking noise about 10 seconds after. Another tech came out today and even called LG tech assistance and they do not have a resolution to this very annoying problem. The noise even wakes us up in the middle of the night. I appreciate any help or suggestions you may offer.

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That a hard one may be the compressor knock in side no fix for that other thin replace the compressor may still under warranty.

Posted on Sep 29, 2010

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Posted on Jan 02, 2017

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Error code er rf


Hello George;
My name is Peter. I am a retired field service refrigeration technician.

The error code is either a bad freezer fan, which is more likely, or a bad control board.
25682632-ebcjyrvherokzlkldixpqrtk-2-0.jpg Motor Part Substitution: 4681JB1027C Cost: $55.00
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Go into the following website, put in your model number and select parts. Parts and diagrams will appear.

Water Filters Lawn Garden Appliance Parts
You can purchase the parts for allot less over the internet.
If you call a service company, they will double the cost of the part and probably charge you $250.00 or more for labor. The labor cost for a bottom freezer is allot higher than a side x side or top freezer because of the difficulty to access the freezer components.

Bottom freezers and units with the ice maker or ice bucket on the door are the worst.
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Brand new french door maytag refrigerator makes a loud knocking sound off and on all day. Is that normal ?


im sorry to tell you, but the sound is probobly normal.
fridges these days make some weird noises.
they started making noises when they changed the gas to R34a.
you may be able to get a noise ruduction kit for your model. they are not too fun to install

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