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D6N Fault codes

Discussion in 'Dozers' started by GODSDOZER, Sep 10, 2019 at 6:53 PM.

  1. GODSDOZER

    GODSDOZER Active Member

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    Caterpillar D6N Machine sequence # ALY02331 arrangement # 191-6307

    How do I check what fault codes are active/stored ?

    Please be specific on the process because I am new to this machine.

    Thank you
     
  2. Nige

    Nige Senior Member

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    OK, here goes: -
    Key on, let the dash panel do its self-test. All gauges sweep full scale, all warning lights flash, all digital icons (incl. SERV CODE) in display window appear, & warning buzzer sounds.

    upload_2019-9-10_15-25-29.png

    Check the top RH corner of the digital display window indicated by the red rectangle in the illustration above. After the self-test completes does the SERV CODE icon remain illuminated or not.?
    If it is blank, there are no Active Diagnostic Codes.
    If it is illuminated there is at least one Active Diagnostic Code.
    The switch to the right of the panel (circled red) can be used to scroll through the various different modes of the digital display window. One such mode is the Diagnostic Mode where you can see the Codes. Press the switch once and then release to scroll from one mode to the next, repeat as many times as necessary.

    In Diagnostic Mode each Code will appear in sequence one after the other. Each Code appears in a 2-step process.
    First step will show the Module that registered the Code (e.g. 030 or 113)
    Second step will show the component and the Failure mode. (e.g. 096F03, 248F01)
    Write down each Diagnostic Code in the list and note carefully for each one whether the SERV CODE icon appears or not.
    The end of the list usually appears as "END" or as three horizontal dashes "---" in the window.

    upload_2019-9-10_15-35-16.png

    If it is blank, the Code is Logged, meaning it was there once but is not there now. Logged Codes can be erased.
    If it appears, the particular Code is Active. Active Codes cannot be erased until they have first been repaired. Repairing an Active Code turns it into a Logged Code.

    To erase Logged Codes you will need to somehow acquire (or build, or use a couple of bits of bent wire - you choose) a Click Box, otherwise known as the 4C-8195 Service Tool. Try this thread as some homework. https://www.heavyequipmentforums.com/threads/the-famous-cat-click-box.72956/
     
    Last edited: Sep 10, 2019 at 7:46 PM
  3. Nige

    Nige Senior Member

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    I take it you don't have an Operation & Maintenance Manual..?
    They are available to download in Adobe pdf format from Cat for $46. I can walk you through the process if you like.
     
  4. GODSDOZER

    GODSDOZER Active Member

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    Nige, gosh thanks for the help.

    I ordered a operation / maintenance manual off ebay today for 50 bucks.

    Why don't you come to east texas, it would make things much more simple LOL.
     
  5. GODSDOZER

    GODSDOZER Active Member

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    I want to buy a shop /service manual for it but on ebay they are over $600. Do you know where i can get one of those for a decent price.
     
  6. Nige

    Nige Senior Member

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    I could've saved you money and you would have had the manual immediately...….:):)

    For a Service Manual you need to search eBay for Cat Publication reference RENR5235.
    FYI a new one in paper format is $1,000 in round numbers, on CD it is around $600. So the prices on eBay are not out of order if they are asking $600 for a paper manual - provided it is complete (always worth asking the seller that question because it's not unusual for a paper manual to be missing a section or two).
     
  7. GODSDOZER

    GODSDOZER Active Member

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    Dirt Contractor
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    Thanks !
     
    Wilson892 likes this.
  8. kshansen

    kshansen Senior Member

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    Nige on the subject of an Ebay manual being complete. Is there a place to see what each manual consists of? I know when you get a new print copy there is usually a page in the front showing all the Form Numbers that are included but was wondering if there was such a thing available on SIS, yea I'm being too lazy tonight to try looking myself!
     
  9. Nige

    Nige Senior Member

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    Ken, believe it or not but SIS has nothing whatsoever regarding the cover sheet for a Service Manual. In fact any sort of information regarding publication numbers, etc, is pretty scarce in SIS, especially if they are Custom Shop publications.
    I guess my questions to anyone selling a Service Manual would be:-
    1. Is the cover sheet there.?
    2. If it is, are all the sections that are listed in it actually present in the manual you're selling.?
    What a lot of people don't realize is that a complete Service Manual should also contain an O&M Manual.
     
    kshansen likes this.