I believe your dispenser board is defective. The fact that the cubed ice light remains on even when you ask for crushed indicates to me that a relay or switch in the board is remaining engaged. You possibly can unplug the refrigerator and remove the plug on the dispenser board and reinsert the plug to see if resetting or re-seating the dispenser board will resolve the problem. I will get you some photos, links and wiring dagrams to assist you. Sea Breeze
The part number for the dispener board is Cick Here=> 61005274 
Would like you to click here=> MZD2766GEB Wiring Diagram and have a look at the top section of the wiring diagram. It shows this board and the related conections to it. Sometimes when I link this it works. If not I will do it differently
OK seems to be working good on my end. When you get a chance to have a look at this focuson the board connections and let me know when you are ready and I will assist you with this. You also can contact me throug my site where i also support many of the sponsors here.
appliancepartsse(at)yahoo.com If need you may contact me here on Fixya or my Forum=> Appliance 911 My contact information is located above the Fixya Ad on my blog here=> Sea Breeze Appliance Parts and Technical Services, www.pcappliancerepair.com
Thanks, Sea Breeze
If your model should have the slid lelector switch which I don't think so because of the digital display this is a solution for that model
Checking and Replacing the Crusher
and Water/Cube Switch:
1. Disconnect the unit from the power
source.
2. Perform steps 1 through 3 of Ice & Water
Fountain Bracket Assembly
Removal.
3. Remove the two slide selector mounting
screws. (See drawing in the lower
left column.)
4. Remove the slide selector.
5. Check the continuity of the switch. If
defective, go to step 6.
6. Remove the switch mounting screw.
7. Remove the switch.
8. Remove the wire leads.
9. Install new switch in reverse order of
removal.
Sea Breeze
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