If you found water on the floor, my best "GUESS" would be that your fill tube is frozen not allowing the water to get up to the icemaker so it's spraying out the water connections when the icemaker tries to cycle. But that is just a starting point and don't think it's wise to just guess.
Probably the best thing to do is determine if the icemaker isn't cycling and calling for water, or if water isn't actually making it to the refrigerator. First, make sure the freezer is below 10 degrees because the icemaker will not cycle if the temperature in the freezer is over 10 degrees. Next, fill up the icemaker with a cup of water and wait 24 hours to see if it cycles and dumps the ice. If it doesn't cycle, replace the icemaker because it's just bad. If it cycles but doesn't fill up with water, check the fill tube behind the icemaker and if it's frozen solid, use a hair dryer and thaw it out.
Now since the most likely culprit is likely a frozen fill tube, you can also check by disconnecting the water line coming from the icemaker and going to the valve down at the valve itself. Blow through the water line to make sure it's clear. If it's not frozen, you'll need to replace the electronic water valve on the back of the refrigerator where your water supply line from your house connects to your refrigerator itself.
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