I disconnected icemaker to put in new floor, i hooked it back up, now my icemaker wont make ice. its going thru the motions but water isnt coming in.

I had that happen and it turned out the cat had bitten through the water line that feeds water to the icemaker. Water had gushed out of the line onto the floor and since the icemaker couldn't get any new water to make ice with, it quit working. A clog, the line simply coming disconnected or a different kind of pet going after the line could also cause this problem. Luckily, a new line isn't expensive, and if you rub some habanero sauce on it, the cats and the rabbits both leave it alone.

Note that the temperature in the freezer must be below 10 degrees F for the icemaker to cycle. The icemaker line is the smaller line (1/4") located in the back of the machine that runs from the valve to the filll tube. To test the valve and icemaker you have to manually advance the ice maker and wait for it to call for water with the 1/4" line disconnected from the valve. You can do this by getting a jumper wire, removing the cover of icemaker, which you jsut grab and pull off, and using the jumper wire insert one end of the wire into the cirle marked "M" and the other in the cicle marked "N". Leave there until you hear a click and sometimes see a little spark behind the modular head wheel. Also if you see ice in the maker that hasn't dumper and the teeth of the icemaker are facing any direction other than two o clock position, the icemaker is bad. Before doing any of the above though check the fill tube to be sure the no ice is blocking water from coming in.

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Did you hook up the water line in the back? Check the lever on the icemaker to be in down position? Just starters.

The water tube to the icemaker inside the refrig is frozen up. Thaw out with your hair dryer. To make sure the tube is clear. Shut of the water to the refrig, disconnect the inlet water line to the icemaker. Insert a flexable through the connector fitting, I used a zip tie. The flexable item should go all the way to the icemaker

The water tube to the icemaker inside the refrig maybe frozen up. Thaw out with your hair dryer. To make sure the tube is clear. Shut of the water to the refrig, disconnect the inlet water line to the icemaker. Insert a flexable through the connector fitting, I used a zip tie. The flexable item should go all the way to the icemaker

Solution #2 Replace the "water inlet valve" at bottom back right of refrig. Easy To Do.

Before you replaced the Water Valver - Shut your water off - disconnect the water line to the from the back of the refrigerator at the top where it goes into the icemaker. I used zip tie or something flexable to see if it would go all the way through to the
tube inside the refrig. If you have obstruction - use your hair dryer
to thaw the ice from inside the refrigerator tube. When the flexable goes all the way through. Hook back the water line to the icemaker. You will have ice soon. If Nor, you will need a new water inlet valve.

Read more: http://forum.appliancepartspros.com/refrigerator-freezer-repair/93259-ice-maker-repair.html#post227249#ixzz0pzmjhvPC
http://forum.appliancepartspros.com

Check to make sure the "bin full" sensor is working. If it is malfunctioning and indicating a full bin the water will not flow to the icemaker.

If this is your water dispenser leaking
Your water inlet valve on the back where the water supply comes in is probably leaking. disconnect the water line coming out of it and see if you have a slow drip. Try the dispenser to see if it's just drips after use.

if the water runs constantly when you turn the water on its your valve but if it does it periodacally it probably your icemaker

The only other component stopping the valve from putting water into your icemaker is the icemaker itself. Replace your icemaker and you should solve your problem.