If your Jenn Air is producing dirty or discolored ice, the most likely cause is old or stagnant water sitting in the supply tube—especially if the water line was disconnected or unused for months—so replacing the refrigerator water supply tube often fixes the problem. If the ice contains flakes or chunks of coating material, the icemaker tray itself may be corroded and shedding material, so an ice maker assembly replacement is the next thing to check. Less commonly, dirty municipal water from a flushed hydrant or a broken main can carry sediment into the ice; discard the old ice and run a kitchen faucet until the water runs clear before letting the icemaker refill. Finally, residue from an overdue water filter can add discoloration, so replace the filter if it has been more than six months. You can find the exact replacement refrigerator parts you need—water tubing, ice maker assembly, or filters—by entering your model number on RepairClinic.com to pull up parts that fit your machine.
01 - Jenn Air Refrigerator Water Supply Tube
During normal use the water supply tubes will have water flowing through them keeping them clean. If the water supply gets disconnected or water is left in the tube and not used for 6 to 12 months, it can become discolored. If the water at the other faucets in the house is ok and you have replaced the water filter you may need to replace the water tubing to the ice maker to resolve the issue.
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If the icemaker tray has a coating, the coating may be wearing off. If you are getting pieces or chunks of material stuck in the ice, check the ice maker tray. If the coating on the tray is corroded and flaking off, replace the icemaker.
A fire hydrant that was flushed or a broken water main can cause dirty water to enter the home. Since the ice maker uses the same water supplied to the kitchen or bathroom faucets, dirty water can discolor the ice. Discard the old ice and run the water for awhile at the kitchen or bathroom faucet until the water clears up before having the ice maker make new ice.
Less Common
04 - Jenn Air Refrigerator Water Filter
If the ice being dispensed is dirty, it's possible that residue from an old water filter is getting into the water being supplied to the ice maker. Water filters should be replaced every six months for optimum water filtration.