The ice maker drive motor seems too weak to fully twist the tray and discharge ice. It fails to register with the dump position sensor and then returns and fails to refill. The service guy would whip out the old unit and slap in the new, room temperature unit and it tested just dandy. As soon as it got cold it could not manipulate the much stiffer tray and dump. Of course I could not convince the service guy of this and he would not wait for it to refreeze, so now I have parts for three dysfunctional ice makers.
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Re: Ice Maker not dumping
Sailor, Samsung put out a service flash on your model regarding the ice maker fill tube. What is happening is that ice is forming on both ends of the fill tube. When the ice tray twists in the harvest it is hitting on the fill tube and pulling it from it's mount. Could this be why the drive motor seems to weak. The flash number is ASC20060525001. They redesigned the fill tube, part number DA63-02928A. Just trying to help you find an answer...Catriver..post back.
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The ice maker works off a timer that controls the discharge of ice, water fill, etc. Right before the tray discharges ice it is heated slightly so the ice is just slippery enough to discharge the ice. Unfortunately, now and then (for us) a chunk of ice remains in the tray. This chunk prevents the blades from rotating and eventually you have a mass of new ice with the blades in the wrong position. The blades have to be in a certain position for the heater to kick in. You are stuck with cracking up the ice stuck in the tray to get the blades to rotate again. We have an Electrolux ice maker but this problem occurs periodically. The root of the problem is it's failure to heat up the ice tray adequately to discharge ALL the ice. One thing to remember is that next time this happens you have to manually break up the ice in the tray and push the timer advance button until the 2 set of blades are fully closed (hidden) and at 90 degrees. From that point on at least the ice maker can start making more ice.
Your ice-maker may need to be "hard-reset". To do this, perform a manual-defrost by emptying out the freezer (and fridge) and shutting all power off to your unit for several hours (at least half a day unless you can be sure the temp in the freezer has fully reached ambient. Next, with freezer empty, restore power, make sure the "ice" setting is set to off, then set the forced power-freeze mode (you can refill the fridge, but leave the freezer empty for now. When the power-freeze completes (at least 2.5 hours) you can refill the freezer, set the "ice" mode to block/crushed (IE something other than off) and then hit the "black reset button" to restart the ice-maker. IF it still will not dump the cubes then the ice sensor/control board may have failed.
You have a thermostatically controlled heat release ice maker. Any number of issues can cause a failure to "dump" the ice. The harvest is started when the thermostat closes. A motor rotates the ejector fingers which are at rest in the 2 o'clock position. The ice maker operation will stall until the heater releases the ice from the mold. After the cubes are ejected into the ice bucket, the water valve will refill the mold with water to begin the next cycle. Lack of ice dispensing could be a failed thermostat, heater, motor or switch contact withing the ice maker module. You could simply replace the ice maker and save the expense of the service call.
I.M 6 electronic Ice makers are non servicable, replace the ice maker. throw the other in the trash can.
If ice is in the ice maker then you know it got water but didnt dump the ice. its the ice maker.
The arm that drives the ice out of the freezer tray is driven by a small motor in the front of the ice maker. The motor has a small gear that drives the larger gear keyed to the front of this arm. If the ice is ever allowed to thaw and re-freeze the driven gear can break one or more teeth off affecting the operation of the ice cube removal. None of the parts of the ice maker are available separately. However these parts are easily repaired with super glue or epoxy. When re-installing the drive arm it must be located with the drive fingers horizontal.
I was able to order the ice tray myself and install it in the fridge - it's not hard. I ordered from one of the parts sellers linked to at the LG website, not those listed in other posts here.
Here's how to replace the tray:
You need to remove the tray dumping mechanism to do this.
Remove the ice bin, set it aside (don't forget to deal with the ice melt).
Turn the ice maker off (LG says to unplug the fridge, I didn't).
On the left hand side of the ice tray dumping mechanism there is a screw helping to keep the entire thing suspended from the ceiling of the freezer. Remove that screw- don't worry, the mechanism will stay put for now.
The dumping mechanism can now slide forward- note that you can't completely remove it from the freezer yet, but slide it forward and it will no longer be suspended from the ceiling. Don't let it drop or hang.
You need to disconnect its power supply now. On the left hand side you should see a small bundle of wires coming from the back of the freezer to the dumping mechanism. It connects to the dumping mechanism's set of wires with a pair of white plugs. Pull these plugs apart. You may need to pry the catch on these plugs apart while you pull.
Now you can take the dumping mechanism out of the freezer (and close your freezer).
To remove the ice tray you need to slide the housing that contains the rotating motor out of the housing. This is on the right side of the mechanism. If you have trouble identifying it look at the underside of the entire thing and you'll see a small "test" button. That button is on the motor.
To remove the motor you'll see two catches on the right side- you'll need to pull these catches out without breaking anything. You'll be able to slide the motor down and out when you get it right.
Sliding the motor out lets you get the old ice tray out now. There is probably a set of white wires routed through a little catch on the old ice tray that you'll need to free.
Put the new ice tray back on the motor. You'll need to get the left side secured at the same time you get the motor housing in its catches of the dumping mechanism.
Reroute those white wires back on the new ice tray.
Reconnect the electric wires to the housing.
Slide the entire dumping housing back onto the ceiling of the freezer and screw in on the left side.
That's it. You can press that test button on the underside of the motor. This will dump the tray and immediately refill it with water so you can observe if everything is working.
I also had the ice tray stuck in the dump position. I unplugged it waited 5 minutes and pluged it back in. And the Ice tray moved back into the correct fill position, and the arm did drop down, But now it has not filled with any water. So now what should I try?