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Thread: Help me fix my sub zero ice maker!

  1. #1
    Join Date
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    Default Help me fix my sub zero ice maker!

    Model Number: 642
    Brand: Sub Zero
    Age: 6-10 years

    I've got a Sub Zero side-by-side refrigerator/freezer (model 642). It's something like 6 or 7 years old. For the past month+ the built in ice maker hasn't been making ice. I'm pretty handy and would like to try and fix this myself, if I can. Can anyone help point me to some steps I should take to try and isolate what the problem might be? I figure once we've isolated it then we can determine if I can get the part to fix it (or perhaps don't actually need a part to fix - one can only hope!).

    Thanks!

  2. #2
    Join Date
    Jul 2006
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    That ice maker has been permanently discontinued so you'll need to remove the white cover on the ice maker and take a picture of the module or motor so I can see what style you have. As soon as I know which style it is I can tell you how to force cycle it. Make sure the bail arm is all the way down on the ice maker. You can also try putting some water in the ice maker and see if it dumps it.
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

  3. #3
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    Click image for larger version. 

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    Rick, thanks for helping me. I've attached a picture. Let me know if you need a different angle. There is ice sitting in the tray. I'm going to unscrew a few more parts and see if I can get it to dump the ice. Let me know what you think I should try next and I gladly will.

    Thanks

  4. #4
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    I need to see behind the white cover on the left. That looks like the old style. Try pulling the ejector fingers forward a little ways and see if it continues on its own.
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

  5. #5
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    Click image for larger version. 

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    Is this what you're looking for? I took that part of the unit out. I pulled the ejector fingers forward a little but they are stuck. I'll let the ice melt a little and see if I can get it out.

  6. #6
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    That's it. Pull harder and it will start on it own. Put your fingers on the rake fingers that turn and eject the ice and pull them forward until they start moving and you hear a click. The ice maker needs to be powered up (connected).
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

  7. #7
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    couldn't get it going like you described (I also might not have pulled hard enough for fear of breaking those rake fingers). I cleared it out and hooked it back up. So far it's not filling up with water, which isn't a great sign.

  8. #8
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    If you couldn't move it the motor is probably froze up and that would be the problem. I check and see but I don't know if it's still available.
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

  9. #9
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    alright - I'm back trying to fix this. A summer of manually making ice is getting old. I've taken part of the ice maker out. Would leetting any parts of it thaw out help the diagnosis? I need to get this fixed. Pouring water into the fingers didn't get that going. I'm willing to try whatever you suggest. Thanks.

  10. #10
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    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

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