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This information indicates that the either the dispenser on the door has a mechanical and/or an electronic problem. Yes, it can be replaced. However, the price of fixing the refrigerator can be high.
Here is a diagram of the area -
Let me know if you would like more information.
The troubleshooting of this problem is time consumming and slow via the posting backand forth. There is a good deal of information you should have. So, I have uploaded the manual for you. Go to page 3-4 and that whole section to get started.
When you go to the site to download do not use AOL. Use Internet Explorer or another browser because that site does not like AOL. Choose the "Free" option. After you download the file you will need to open it with Adobe or another application. You should already have that on your computer.
Sometimes, the site is a little glitchy. If you have difficulty, clean your temporary files and your hard drive, restart the computer and try again. It's definitely worth it to have the right information. You can go to the top left corner and save the PDF file to your desktop for easy access.
Please click here - Refrigerator
Let me know if you would like more information or clarification after you get into it.