TA520i LCT

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  • blackdog
    Trusted Tech

    100+ Posts
    • Jun 2012
    • 211
    #1

    TA520i LCT

    Blackcat, just talked to customer in regards to that issue feeding via DP.
    Any quantity input and unit will ask for paper in MP Tray.
    Here's the kicker, customer complaining that LCT not functioning, no error codes.
    I'm thinking this is indirectly related to MP Tray, LCT sensors, lift motor?
    Your expertise is needed here.
    Tags: None
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 23010
      #2
      Re: TA520i LCT

      First thing to do is to print off the U000 Event Log to see what error occurred. =^..^=
      If you'd like a serious answer to your request:
      1) demonstrate that you've read the manual
      2) demonstrate that you made some attempt to fix it.
      3) if you're going to ask about jams include the jam code.
      4) if you're going to ask about an error code include the error code.
      5) You are the person onsite. Only you can make observations.

      blackcat: Master Of The Obvious =^..^=

        Comment

        • blackdog
          Trusted Tech

          100+ Posts
          • Jun 2012
          • 211
          #3
          Re: TA520i LCT

          Originally posted by blackcat4866
          First thing to do is to print off the U000 Event Log to see what error occurred. =^..^=
          That's affirmative.
          Question; I have a TA250ci parts machine no LCT option, any feed parts interchangeable with LCT?

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 23010
              #4
              Re: TA520i LCT

              Originally posted by blackdog
              That's affirmative.
              Question; I have a TA250ci parts machine no LCT option, any feed parts interchangeable with LCT?
              PF-760(B)? Nothing in common with KM-250ci, not even rollers.
              With only very slight mechanical differences it is the same LCT used on Falcon I and II (PF-75), Falcon III and VoyagerE (PF-750), Falcon IV (PF-760(B)) =^..^=
              If you'd like a serious answer to your request:
              1) demonstrate that you've read the manual
              2) demonstrate that you made some attempt to fix it.
              3) if you're going to ask about jams include the jam code.
              4) if you're going to ask about an error code include the error code.
              5) You are the person onsite. Only you can make observations.

              blackcat: Master Of The Obvious =^..^=

                Comment

                • blackdog
                  Trusted Tech

                  100+ Posts
                  • Jun 2012
                  • 211
                  #5
                  Re: TA520i LCT

                  Originally posted by blackcat4866
                  PF-760(B)? Nothing in common with KM-250ci, not even rollers.
                  With only very slight mechanical differences it is the same LCT used on Falcon I and II (PF-75), Falcon III and VoyagerE (PF-750), Falcon IV (PF-760(B)) =^..^=
                  Figured as much. But customer mentioned it (LCT) wasn't lifting. Maybe wishful thinking, but a slipping clutch
                  may need a little squirt of contact cleaner?

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 23010
                      #6
                      Re: TA520i LCT

                      I don't just make random guesses without the error code.

                      It's probably the muffler bearing. =^..^=
                      If you'd like a serious answer to your request:
                      1) demonstrate that you've read the manual
                      2) demonstrate that you made some attempt to fix it.
                      3) if you're going to ask about jams include the jam code.
                      4) if you're going to ask about an error code include the error code.
                      5) You are the person onsite. Only you can make observations.

                      blackcat: Master Of The Obvious =^..^=

                        Comment

                        • blackdog
                          Trusted Tech

                          100+ Posts
                          • Jun 2012
                          • 211
                          #7
                          Re: TA520i LCT

                          Originally posted by blackcat4866
                          I don't just make random guesses without the error code.

                          It's probably the muffler bearing. =^..^=
                          Ain't nothing wrong that (guess), a correct one has changed a lot of peoples lives for the better.
                          I'll post my findings tomorrow after a good look at the beast.
                          Thanks again

                            Comment

                            • copymech
                              Trusted Tech

                              100+ Posts
                              • Sep 2011
                              • 196
                              #8
                              Re: TA520i LCT

                              906?

                                Comment

                                • blackdog
                                  Trusted Tech

                                  100+ Posts
                                  • Jun 2012
                                  • 211
                                  #9
                                  Re: TA520i LCT

                                  Originally posted by copymech
                                  906?
                                  This is highly probable...

                                    Comment

                                    • blackdog
                                      Trusted Tech

                                      100+ Posts
                                      • Jun 2012
                                      • 211
                                      #10
                                      Re: TA520i LCT

                                      Originally posted by blackcat4866
                                      I don't just make random guesses without the error code.

                                      It's probably the muffler bearing. =^..^=
                                      Well it sure wasn't the muffler bearing and I also checked the left handed devise for burrrrrrs. Nada, whada dadah.
                                      So it looks like virus has moved to trays 1 & 2. I disconnected tray 3 (lct) altogether and now asking for supplies in 1& 2 even though all is positive, settings etc.
                                      I can't even access service mode.
                                      Power off and on, drum refresh appears briefly and then displays add paper to both remaining trays??????????

                                        Comment

                                        • blackcat4866
                                          Master Of The Obvious

                                          Site Contributor
                                          10,000+ Posts
                                          • Jul 2007
                                          • 23010
                                          #11
                                          Re: TA520i LCT

                                          Maybe you've got a shorted lift motor (which usually fries the motor control portion on the engine PWB).

                                          Try this: Leave the PF-760(B) disconnected. Unplug the lift motors. If I'm right the machine should power up, access service mode, and feed from the MP tray. =^..^=
                                          If you'd like a serious answer to your request:
                                          1) demonstrate that you've read the manual
                                          2) demonstrate that you made some attempt to fix it.
                                          3) if you're going to ask about jams include the jam code.
                                          4) if you're going to ask about an error code include the error code.
                                          5) You are the person onsite. Only you can make observations.

                                          blackcat: Master Of The Obvious =^..^=

                                            Comment

                                            • blackdog
                                              Trusted Tech

                                              100+ Posts
                                              • Jun 2012
                                              • 211
                                              #12
                                              Re: TA520i LCT

                                              Originally posted by blackcat4866
                                              Maybe you've got a shorted lift motor (which usually fries the motor control portion on the engine PWB).

                                              Try this: Leave the PF-760(B) disconnected. Unplug the lift motors. If I'm right the machine should power up, access service mode, and feed from the MP tray. =^..^=
                                              Thanks for your super fast response, it's good for the psyche.
                                              If you're right, would then the engine board be toast?
                                              Right now we are in the midst of a snowstorm so I'll hang out here for awhile.

                                                Comment

                                                • blackcat4866
                                                  Master Of The Obvious

                                                  Site Contributor
                                                  10,000+ Posts
                                                  • Jul 2007
                                                  • 23010
                                                  #13
                                                  Re: TA520i LCT

                                                  Not 100% sure, but certainly possible.

                                                  You can test the Engine PWB output for:
                                                  lift motor 1 LM1 at YC8 A17/A18
                                                  lift motor 2 LM2 at YC8 B7/B8

                                                  If the motor control circuitry is fried you won't get 24vdc.
                                                  =^..^=
                                                  If you'd like a serious answer to your request:
                                                  1) demonstrate that you've read the manual
                                                  2) demonstrate that you made some attempt to fix it.
                                                  3) if you're going to ask about jams include the jam code.
                                                  4) if you're going to ask about an error code include the error code.
                                                  5) You are the person onsite. Only you can make observations.

                                                  blackcat: Master Of The Obvious =^..^=

                                                    Comment

                                                    • Tonerkiller
                                                      Senior Tech

                                                      500+ Posts
                                                      • Oct 2012
                                                      • 668
                                                      #14
                                                      Re: TA520i LCT

                                                      Have you bent down and shimmed down the brackets for the lct? That is the whole problem.
                                                      Last edited by Tonerkiller; 02-13-2014, 09:42 PM. Reason: add info

                                                        Comment

                                                        • blackdog
                                                          Trusted Tech

                                                          100+ Posts
                                                          • Jun 2012
                                                          • 211
                                                          #15
                                                          Re: TA520i LCT

                                                          Originally posted by blackcat4866
                                                          Not 100% sure, but certainly possible.

                                                          You can test the Engine PWB output for:
                                                          lift motor 1 LM1 at YC8 A17/A18
                                                          lift motor 2 LM2 at YC8 B7/B8

                                                          If the motor control circuitry is fried you won't get 24vdc.
                                                          =^..^=
                                                          Alright I jumped into the old jeep, locked up the 44's and headed out.
                                                          Removed lift motor connectors, main LCT connector, powered up and the sucker fed legal (tray2) until empty, than same scenario, no lift on anything other than my jeep. Thought we had it for a moment.
                                                          Checked 24v, fluctuating but it's there.
                                                          You know this whole issue started with a jamming finisher (entrance sensor) than the issue with quantity feeding thru DP,
                                                          then LCT, then trays 1 & 2. I think it's time to take a shot in the dark without the ability to access service mode I'd bet on engine board, power supply or hard drive. But not in that order.


                                                          Tonerkiller I don't think that matters when LCT is no longer in circuit.

                                                            Comment

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