Main Power Switch Not Functioning - C6000l

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  • thekvd
    • Dec 2024
    #1

    [Electrical] Main Power Switch Not Functioning - C6000l

    I have a KM C6000l. One of my crew powered it down for the weekend and now it won't power up.

    When we hit the main switch nothing happens, no lights, no sounds, nothing. Here's what I've done so far:
    -Verified power to breaker for outlet - OK
    -Verified power to     outlet for machine - OK
    -Verified power in power cable for conditioner- OK
    -Verified power to power conditioner - OK
    -Verified power to     machine from power conditioner - OK
    -Verified power in power cable for     machine - OK
    -Verified power in     cable to main power switch - OK
    -Verified power in cable from main power switch - FAIL

    What I can't find is a part number for the main power switch or somewhere to buy it. I do leave room for this being me overthinking it and it actually is just a standard switch I can buy anywhere. Does anyone know the answer? Thanks in advance!
    Tags: c6000, dead machine, garbage, konica 6000, power failure
    • Phil B.
      Field Supervisor

      10,000+ Posts
      • Jul 2016
      • 22808
      #2
      Re: Main Power Switch Not Functioning - C6000l

      Originally posted by thekvd
      I have a KM C6000l. One of my crew powered it down for the weekend and now it won't power up.

      When we hit the main switch nothing happens, no lights, no sounds, nothing. Here's what I've done so far:
      -Verified power to breaker for outlet - OK
      -Verified power to       outlet for machine - OK
      -Verified power in power cable for conditioner- OK
      -Verified power to power conditioner - OK
      -Verified power to       machine from power conditioner - OK
      -Verified power in power cable for       machine - OK
      -Verified power in       cable to main power switch - OK
      -Verified power in cable from main power switch - FAIL

      What I can't find is a part number for the main power switch or somewhere to buy it. I do leave room for this being me overthinking it and it actually is just a standard switch I can buy anywhere. Does anyone know the answer? Thanks in advance!
      Did u test power coming from the LVPS?

        Comment

        • thekvd
          #3
          Re: Main Power Switch Not Functioning - C6000l

          Originally posted by Phil B.
          Did u test power coming from the LVPS?
          Pardon me being green here, but LVPS? If you're talking the board inside, yes, I have tested the entire flow of power. The rocker switch for the main power is where it stops no matter if it is flipped on or off.

          Seems to be a Panasonic A9j switch that was discontinued a year before this particular machine was made. Seems par for the course. lol

          What I can't seem to find is what kind of switch would work in place of it.

            Comment

            • thekvd
              #4
              Re: Main Power Switch Not Functioning - C6000l

              Look at my 1070's switch I tested the power there and I'm gonna say I'm 90% positive the switch on the 6000 is the culprit. The fact that power from it is non-existant no matter the position of the rocker pretty much confirms it. The issue now is finding a replacement switch for the one that was in it. Does anyone have a "newer" 6000 than mine? Mine is from October of 2013. Perhaps they made the change to a different switch in the next year or so of the machine. I'd love to know the model number.

                Comment

                • Synthohol
                  Certified Konica Expert

                  Site Contributor
                  5,000+ Posts
                  • Mar 2016
                  • 5463
                  #5
                  Re: Main Power Switch Not Functioning - C6000l

                  I know this may sound silly but did you check the sub power switch on top to make sure that was on?
                  We know a thing or two because we've seen a thing or two.
                  The medication helps though...

                    Comment

                    • Phil B.
                      Field Supervisor

                      10,000+ Posts
                      • Jul 2016
                      • 22808
                      #6
                      Re: Main Power Switch Not Functioning - C6000l

                      Originally posted by thekvd
                      Pardon me being green here, but LVPS? If you're talking the board inside, yes, I have tested the entire flow of power. The rocker switch for the main power is where it stops no matter if it is flipped on or off.

                      Seems to be a Panasonic A9j switch that was discontinued a year before this particular machine was made. Seems par for the course. lol

                      What I can't seem to find is what kind of switch would work in place of it.
                      excuse me.. you are a tech and don't know what a LVPS is? ALL electronics that have 2 levels of power ( AC/DC ) have a form of LVPS.. whether it be separate boards or all in one.

                      your switch SHOULD be a 2p2t ( double pole double throw ) type.

                        Comment

                        • thekvd
                          #7
                          Re: Main Power Switch Not Functioning - C6000l

                          First a retraction: the switch is not the issue. We made a rookie mistake in testing it.

                          Second: yes the sub and the main are on and still nothing.

                          Third: I've got power in power supply 2 everywhere except the orange and blue cables. Any ideas?

                          Lastly:

                          Originally posted by Phil B.
                          excuse me.. you are a tech and don't know what a LVPS is? ALL electronics that have 2 levels of power ( AC/DC ) have a form of LVPS.. whether it be separate boards or all in one.

                          your switch SHOULD be a 2p2t ( double pole double throw ) type.
                          Never claimed to be a tech. I'm a the owner of a small print shop and KM won't help. I'm just trying to save my machine. I've got a decent amount of related knowledge and I am a quick study. I've been able to fix most every issue with this machine but I'm not super well versed in power.

                            Comment

                            • 907tec
                              Trusted Tech

                              250+ Posts
                              • Feb 2008
                              • 438
                              #8
                              Re: Main Power Switch Not Functioning - C6000l

                              Start unplugging things one by one, checking each time to see if it will power on. If you haven't already: disconnect all options and peripherals, including hdd's. Get yourself a wiring diagram and figure out what those orange and blue wires are used for.

                                Comment

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