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Thread: KFIV29PCMS02 KitchenAid fridge some LEDs aren't working

  1. #61
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    Quote Originally Posted by Ross Kaminsky View Post
    I wonder how I can test the harness?
    Check the wires for continuity that's all you can do.
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  2. #62
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    Do you know where they go??? And then if they're all fine, are we back to a module being bad?

  3. #63
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    Quote Originally Posted by Ross Kaminsky View Post
    Do you know where they go???
    Use the wiring diagram in post #51. You'll probably need to save the image to your computer. That way you'll be able to trace the wires. The wire colors are above the wires at each end of the wires. When you have two or more wires in the same connector that you need to test, use a small jumper wire with alligator clips to short the two wires together. Then check for continuity between the same two wires at the other end in that connector. That method also works when checking just one wire. It's handy for when one end of the wire is in the refrigerator compartment and the other end is in back and you test leads are not long enough to reach both ends.
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  4. #64
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    Gotcha. I'm still trying to figure out which wires I need to test at this point. I see in the diagram a black and an orange/black between the pantry controller and something toward the bottom left which says power supply. Since it says power supply it makes me think that if I already measured 14V where you told me to test, then those wires must be fine, unless the pantry is supply the power to the power supply which would be weird. As I look at the diagram, I wonder if it's possible that a failed freezer compartment LED module could be responsible for all of this.

    Separately, do you know where I can find out how to take down the ceiling panel that's on the right side of the ceiling and has 3 lights mounted in it? That might be the only way to reach the connectors for those lights...they're not right near the lights, as with the two on the left side of the ceiling.

    Man, I REALLY appreciate how generous you've been with your time. I owe you one (or two)!

  5. #65
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    If it's like the others there's a couple screws under the water filter then the front unsnaps but I'm not 100% positive. I thought the FC led was working?
    OWNER RICK'S APPLIANCE REPAIR
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  6. #66
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    Pantry drawer light works...not freezer light! Does that change your thinking?

  7. #67
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    The FC LED is the only module on that circuit. Can you take a working LED and plug it into the FC LED connector and see if it works??
    OWNER RICK'S APPLIANCE REPAIR
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  8. #68
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    Hey Rick,

    As I looked at the wiring diagram it occurred to me that while the FC is the only thing on that circuit, it could actually function (depending on the design of the LED control board) as if it's in series with the other lights. And wouldn't you know it, I replaced the FC LED with a working LED and all the other lights started working (except for the two that were working before, because I used one of them to replace the FC LED, and those two are on their own circuit.)

    So it was the FC module all along.

    Man that thing was a PAIN to change because the connector can't be pulled out of the hole that the light goes in to, only to the edge of it.

    Anyway, I hope this helps you in helping others in the future...bottom line is that these things can act as if they're in series even if the wiring diagram makes it look like they're on independent circuits.

    You've been exceptionally generous with your time. If there's anything I can do to help you, please let me know.

    Ross

    p.s. In a post earlier you noted two different part numbers for FC LED module vs fridge LED module. I believe one is actually just a replacement (newer) part than the other. All of them in my fridge (and FC) have the same part number: W10637153 (replaced, I think, by WPW10637153, and then by W11174006.)

  9. #69
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    That's awesome Ross! I never would have guessed that. There is something you can do if you wouldn't mind. We both spent a lot of time on this, you more than me, and now that the modules are working I would really appreciate it if you could give me a few voltage measurements from the LED board. I want to get the voltage measurements for each module circuit with the door open and closed. Thanks Ross!
    OWNER RICK'S APPLIANCE REPAIR
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  10. #70
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    Hey Rick. I'll definitely do that. Let me wait until I get a replacement for the dead LED so that everything's working and then I'll take those measurements. Can you tell me exactly what pairs I should test based on the actual output pin numbers on the board, or wire color on the board or wire color coming out of the white connector, which I can trace back to the board?

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