Ice maker stopped
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Check to see whether the ice maker has been turned off. Here's how to check. Look for a wire along the right side of the ice maker that looks a bit like a coat hanger. If this wire is in the raised position, the ice maker is turned off. On some units you simply lower the wire to the down position to turn the ice maker on. On others, you lower a small red plastic lever to lower the wire. If the wire is in the proper position check the freezer temperature, it should be between 0-8 degrees Fahrenheit. If it is warmer than 10-12 degrees, the ice maker may not produce any ice. Check your door seals and thermostat, repair/replace as necessary.
Check to see if something has caused ice to back up around the mechanism—this can cause the fill tube to freeze, blocking the mechanism. When ice cubes are small and seem to be getting smaller, it generally indicates a frozen fill tube.
Check the water line that enters the back of the freezer for a blockage. Find the water shut-off valve behind the refrigerator or under the sink, turn it off, unscrew the copper line from the back of the refrigerator, put the copper line in a bucket, turn on the valve, and see if pressurized water pours out.
Check the tap valve; a bad tap valve may cause the problem where the icemaker's supply tube connects to the water pipe. If necessary, replace the inlet valve and the tap valve. For the tap valve, use the type that requires you to drill a 1/4-inch hole (as opposed to the "self-piercing" type). You can do this yourself, or call a repairperson or plumber to install an inline water filter when replacing the valve.
The water line attaches to a solenoid at the back of the refrigerator, and then travels to the icemaker. The solenoid may be defective or may not be receiving power. You can try removing the sediment screen inside the solenoid and flushing it with water to clean it; be sure to inspect any seals or diaphragms. Unplug the refrigerator first. Unless you're skilled at home repairs, this job is better left in the hands of an appliance repairperson.
As a rule, refrigerators are the most dependable of all large appliances. Even so, they do fail to do their jobs adequately on occasion, and when they do, the results can be disastrous because expensive food can spoil in a hurry.
Remember that the best way to lengthen the life of a refrigerator is to clean the condenser coils once a year or more frequently if they get dirty.
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