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Sub-zero 690F Icemaker auger won't stop turning


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3 replies to this topic

#1 Shal

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Posted 30 July 2012 - 03:44 AM

We returned from a 12-day road trip to the sound of the ice-maker auger motor running. Investigating I found ice frozen in the exit chute, the bin full of ice, and the auger had unseated itself from its bearings, allowing the motor to spin freely without turning the auger.

The motor did stop when I pulled the ice bucket forward and out of the freezer, so at least the switch that detects the bucket is still working. But pushing the bucket back into position causes the auger to spin again. The Ice switch on the door is not at fault, as the light operates normally, as does the solenoid that opens the flap in the chute. The Bulk Ice switch inside the refrigerator compartment could be shorted, or not, I haven't divined a simple way to check it.

After clearing out all the ice I was able to reassemble the auger, so that's all good.

Now the question is: what next? Is there something to check within the ice-maker, or is it more likely the electronics board behind the button/display panel?

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#2 Shal

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Posted 30 July 2012 - 04:32 AM

Ok, after squinting my aging eyes at the 600-1 Addndm & Parts.pdf found in the pot-luck supper, it looks like either (1) the ice dispensing control board (in the door, probably, near the ice-door solenoid, or (2) the main control board may power the auger circuit. I should go confirm that by squinting instead at the diagrams taped up near the compressor.

Murphy says it is the more expensive and or difficult to obtain one of the two. So the easy(?) test is to unplug the ice dispensing control board and see if the auger still runs. If it does that proves that there's a stuck/dead relay on the main control board.

Now what I need is a mechanical drawing showing me how to access those two boards.

#3 RegUS_PatOff

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Posted 30 July 2012 - 07:51 AM

as mentioned in the "just uploaded"
600 Series
Prior to Serial #1810000
Technical Service Manual
(no parts diagrams)
134 pages

Ice Auger Motor Assembly Access and Removal (Model 690)
The ice auger motor assembly is attached to the rear wall, directly behind the ice bucket assembly.
To access and remove the ice auger motor assembly, the juice can rack, and ice bucket will need to be removed first.
Now, extract the four screws securing the ice auger motor assembly to the rear wall.
Then, disconnect the auger motor and ice bucket switch electrical leads and pull assembly out. (See Figure 7-53)
http://appliantology...serial-1810000/
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#4 Shal

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Posted 30 July 2012 - 11:48 PM

Thank you Sensei!

This should allow me to disconnect the brown (auger drive) wire from the control board. If that cures the problem then I know I need to repair or replace the control board. Or just live without the convenience of the Bulk Ice button...




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