Ice dispenser has black mold around area that ice comes out

Pull ice maker out and clean it. Then make sure you have a fresh water filter on water supply. Mold in the freezer is uncommon if its truly freezing inside. You have dirty water coming in.

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If there is mold on the outside of the ice dispenser you should wipe it down periodically/ weekly or more often with a mild mixture of soapy water with a touch of bleach in it. Make sure that nothing in the refrigerator is blocking the port that ice is deliver through or that ice is not building up around the inside of it. And do not let water or ice lay stagnant in the door tray at the bottom of the dispenser.

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Ice mold full of ice but not harvested? Faulty ice maker.
Ice mold empty? Faulty water valve.

Modular design Ice Maker Manual



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Cause found to be faulty ice/water control board which is located at the back left hand side of the condensor behind the water solinoid valves.This is the single most expensive part of the ice maker!

Use a bathroom mold and bacteria remover spray available from most supermarkets. Also spray down into the feeder on the inside of the door. Make sure you rinse the area thoroughly after use and run water through the water chiller dispenser and run some ice throughthe ice dispenser and throw these away. Then it should be safe to use.

Is the freezer cold enough? Should be close to 10 degrees.
Is there water or ice in the ice mold? If not put water in it and see if it dumps the ice after it’s frozen. If there is ice, lift the cut off arm and let it drop to see if it will start.
If it does dump the ice but don’t refill with water.
Try swapping the wires on the dual water inlet valve. Then try the water dispenser. The water should go to the ice maker. This will tell you weather or not the ice maker valve is working and if the line is clear.

The water inlet valve on the back of unit opens when the ice maker needs water. If the valve doesn't seal good because of sediment or wear it will continue to drip and when the water reaches the ice maker supply tube it will freeze. You can take the water line off the valve and watch to see if it drips.

The mold heater comes on shortly before the ice is dispensed. It warms up the mold so that the ice releases. The heater, if not working could cause the water to overflow as the ice can not be ejected if the heater does not work. That woud make the appearance that the ice melted and refroze.

If you go to geappliances.com click on service and support then click on use and care manuals you can download a use and care manual. Since the refrigerator is white I'd probably use a good bleach spray on the mold be sure to rinse well though so you don't end up ingesting bleach. Chunk of ice sounds like too much water or not enough cold and a qualified tech might not be a bad idea. Good Luck.

pour some water in the ice mold and see if it will kick out a batch if it does get a water valve. If ice is already in the mold then replace the ice mold thermostat. If this is a newer ice maker get a hairdryer and make the mold rotate around. This sometimes gets the newer ones back on track.

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• pull out the auger assembly (big plastic tray with a metal coil in it that holds the ice) and dump all the ice out.
•  clean out the whole thing and let any ice residue melt, then try it. 
• sometimes a small amount of ice will buildup around the ice crusher and keep it from engaging.