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Lotem 800 II / MCU Troubleshooting

Models:
L8II: Lotem  800 II L8Q: Lotem 800 Quantum LQS: Lotem Quantum Spectrum  MCU: MCU
ALL: Applicable for all Lotem 800 II Family platesetters.

 

Brisque | CS Expose | Diagnostics | Drum | Error/System messages | Firmware | Heads | Imaging | Installation | Loading/Unloading | Logs | Media | PC Problems | Paper | Plates | Prinergy | Punch | Registration | Remote Support | Screen Sets | Splot | UDRC | Versions | Wiring | Xilinx | MCU

 

Brisque
Model
•Resolving Lotem 800 II configuration issues when upgrading to Lotem 800 Controller software version 3.75.09 (13 May 07)
ALL
•Reconfiguring the Brisque after replacing a cassette (31 Mar 04)
ALL

•Brisque version 4.1: Preventing a 2-3% dot variation between separations (05 Feb 04)

ALL

•Preventing exposure problems after a Brisque software upgrade (01 Feb 04)

ALL
•Preventing the '5230 No room in buffer time out..' error message (21 Oct 03)
ALL
•Preventing passes when exposing mixed (Staccato/AM) files (07 Aug 03)
ALL
•When Staccato is used to expose a copydot file, the quality of the exposed plate is poor,
•or error 7125 appears during expose
ALL
•Spot colors do not appear on CMYK proofs (08 Jan 04)
LQS
•Additional Brisque troubleshooting: Brisque 5.x, 4.x, 3.x
ALL
 


CS Xpose
Model
•CS Xpose troubleshooting
ALL
 


Diagnostics
Model
•Diagnostics for the Lotem 800 II Quantum, running s/w version 3.80.xx (31 May 04)
L8II
•Using the JOIND Diagnostics
ALL
•Self study guide - Lotem diagnostics
ALL
•Lotem 800 Quantum maintenance course
L8Q, LQS
•Lotem 800 version 3.75.09
L8II
•Lotem 800 version 3.75.01 (Sep 03)
L8II
•Lotem 800 version 3.60 and 3.70 release notes (Dec 02)
L8Q, LQS
 


Drum
Model
•Diagnosing drum run away problems on Lotem 800 II platesetters
•(09 Jan 07)
ALL
•Preventing plates from becoming stuck under the spring spoilers
•(12 Feb 06)
ALL
•Preventing the unload rollers from exerting too much pressure on the plates
•(12 Feb 06)
ALL
•Preventing drum rollers and springs from dispersing inside the platesetter
•(12 Feb 06)
ALL
•Drum deceleration and drum speed deviation problems occur on all output devices
•(10 Jan 06)
ALL
•Prevent drum oscillations on MCE output devices (17 Jul 05)
ALL
•Drum vacuum analog detector
LQS
•Failed proof on unload may cause drum vacuum to close
LQS
 


Error/System messages
Model
•Preventing the “Motor interlock loop open” error message on Lotem 800 Quantum platesetters (30 Aug 06)
L8Q
•Preventing the “Missing Objects None” error message on Lotem 800 Family platesetters (27 Aug 06)
ALL
• Resetting the Local3 board on Lotem 800 II family platesetters (06 Feb 05)
L8II

• Lotem 800 II - Recovering Local3 Boards (BSL Loading) v3.80 (06 Feb 05)

L8II
•Resolving Local3 board error messages on Lotem platesetters (15 May 05)
ALL
•“Carriage motor present” error message appears when operating Lotem Quantum
•(07 Jul 04)
ALL
•“The debris removal timeout failed” error message appears when exposing a plate
ALL
•“The task debris removal on switch failed” error message appears when running s/w
•version 3.75.09 (03 May 04)
L8II 
•Preventing the '5230: No room in buffer time out..' error message (21 Oct 03)
ALL
•'Drum velocity error exceeded'; 'Drum failed to reach position' error messages (10 Oct 03)
L8Q
•Exposing half resolution option on Lotem Quantum (30 Dec 02)
ALL
•TSP error 7125 (10 Dec 02)
ALL
•‘Ball screw temperature out of range’ error message appears when attempting to perform a test plot or a DFE expose (27 Jun 02)
L8Q
•Rcon error message appears when operating the Lotem Quantum
ALL
•Illegal plate size error
LQS
 


Firmware
Model
•Preventing MCE boards from being stuck in boot mode when upgrading to Lotem 800 Controller software 3.82 •(05 Nov 07)
L8II, L8Q 
•Preventing QuantumSeries/firmware problems when using Service Shell 2.3 on Win 95
•(25 Oct 04)
L8Q, LQS
•PLL error messages (07 Jul 03)
ALL
•Lotem Quantum version summary
L8Q, LQS
•Accessing thermal 2 head parameters in MCE (28 Nov 02)
L8Q, LQS
•MCE firmware command nvs dump diff generates “invalid parameter“ error message.
L8Q, LQS
•Using head firmware 1.01F with version 3.50.05/07
L8Q
•Firmware commands
ALL
 


Heads
Model
•Thermal Head 2 troubleshooting (10 Nov 04)
L8Q
•Resolving problems associated with QuantumSeries script version 0.25 for the
•Lotem 800 Quantum (10 Nov 04)
L8Q
•Focus learn fails (04 Aug 04)
ALL
•TH2 voltages and safety lines (05 Nov 03)
ALL
•Adjusting focus offset and head install error on TH2 (10 Aug 03)
ALL
•P22 and P33 head identification on Lotem Quantum (07 Jan 03)
ALL
•Z-stage unit fix spacer (07 Nov 02)
ALL 
 


Imaging
Model
•Preventing lines from intermittently appearing on exposed images
•(27 Aug 06)
ALL
•Prevent banding from appearing on a print that contains 3 or 4 colors
•(06 May 04)
L8Q
•Preventing unwanted black vertical lines from appearing on the exposed image
•(06 May 04)
L8Q
•Troubleshooting Staccato On-Plate pdf
L8II, L8Q 
•Spot colors do not appear on CMYK proofs (14 Jan 04)
LQS 
•Preventing passes when exposing mixed - Staccato/AM - files
ALL 
•MCE based platesetters - imaging artifacts pdf
ALL 
•Submitting an artifact (.doc)
ALL 
•Pattern problems due to dry V-block (25 May 03)
ALL 
•Mean absolute error lines during focus verbose (19 May 03)
L8II, L8Q 
•Oil residue in the head's air system (06 Feb 03)
ALL  
•Do not use wpowern when setting up Staccato on a thermal 2 head (03 Feb 03)
L8Q
•BBS shutter does not close (30 Dec 02)
L8Q, LQS
•Edge detection (29 Dec 02)
L8Q, LQS
•After exposure, tone reproduction is not applied to the plate, and/or black frame
•appears around the plate’s color bar (18 Dec 02)
L8Q, LQS
•Carriage beam holding pin slides backwards towards the carriage beam (15 Dec 02)
ALL
•Pixel stuck on image (15 Dec 02)
ALL
•Data shifts cause image artifacts (15 Dec 02)
ALL
•Hot spots appear on plates output
L8II, L8Q
•MCE Xilinx file to resolve data shifts
L8II, L8Q
•Random scratches on plates
L8II, L8Q
•Unexposed areas near the tail gripper pdf (for FSEs)
L8II, L8Q
•Unexposed areas near the tail gripper pdf (for RC CSEs)
L8II, L8Q
 


Installation
Model
•Connecting Com7 and Com8 (07 Jan 03)
L8Q, LQS 
 


Loading/Unloading
Model
•Resolving the problem of retracting a cassette from the Lotem 800 platesetter to the MCU user door (19 Dec 07)
ALL
•Preventing problems when loading small plates onto a Lotem 800 II platesetter
ALL
•Preventing the plate from falling into the punch cover and missing the plate roller (15 Feb 06)
ALL
•Resolving problems with the middle spring spoilers (09 Feb 06)
L8II
•Preventing unloading roller problems (09 Feb 06)
L8II, L8Q
•Preventing centering system problems (09 Feb 06)
L8II, L8Q
•Collisions occur between the loading system suction cups and the centering arms (09 Feb 06)
ALL
•Air nozzle on platesetter damages plastic washer inside cassette air fitting assemblies (09 Feb 06)
L8II, L8Q
•Modifying loading system registry parameters takes effect only after restarting Lotem Controller software version 3.80.16 (18 Aug 05)
ALL
•Platesetter rollers mark the plates during the loading/unloading process (23 Jan 05)
ALL
•Resolving low XY and proof bar vacuum levels (27 Jan 04)
L8Q, LQS
•Enhanced enable detector kit (p/n 518-00481A) (25 Nov 03)
L8Q, LQS
•Replacing worn out plastic bearings (bushings) in the unload tray (20 Nov 03)
ALL
•Error message: Plate did not reach punch (11 Nov 03)
ALL
•Platesetter is locked in a shut down state (15 Oct 03)
ALL
•Plate corners intermittently bend during the unloading process (24 Sep 03)
LQS
•Lotem 800 Quantum plate loading sequence for version 3.72 (10 Sep 03)
L8Q
•Centering pins exerting too much pressure on plates (07 Jul 03)
ALL
•Loading & unloading sequences: Carrier & proofing media
LQS
•Preventing collisions between the proof load bar and tail grippers
LQS
•Unload roller arm on Lotem 800 and Quantum platesetters (20 Jan 03)
L8II, L8Q
•Double loading pdf (for FSEs)
L8II, L8Q
•Double loading pdf (for RC CSEs)
L8II, L8Q
•Unexposed areas near the tail gripper pdf (for FSEs)
L8II, L8Q
•Unexposed areas near the tail gripper pdf (for RC CSEs)
L8II, L8Q
•Drumloaded true / false parameter
L8II, L8Q
 


Logs
Model
•Copying TSP error log (30 Dec 02)
L8Q, LQS
•Capturing log files
L8Q, LQS
 


Media
Model
•Illegal plate size error
LQS
•Loading & unloading sequences: Carrier & proofing media
LQS
•Receiver loading (04 Feb 02)
LQS
 


PC Problems
Model
•Resolving right board error messages after installing Service Shell 2.6 SP2 onto a Lotem 800 TH platesetter
ALL
•USB port on Lotem 800 Controller computer fails to recognize USB device (15 Feb 07)
ALL
•Preventing Lotem Controller from freezing by increasing the computer’s virtual memory (10 Jul 06)
ALL
•Preventing Microsoft Windows 2000 security leaks (06 Feb 06)
ALL
•Preventing Lotem Controller software version 3.80.XX from intermittently freezing (Jul 05)
ALL
•Preventing the “Network subsystem has failed” error message (23 Sep 04)
ALL
•Preventing 40 GB hard drive failures on Lotem platesetters (30 Aug 04)
ALL
•Preventing the Password Expires message when running Windows 2000 (03 Dec 03)
L8II
•Replacing the MCU animation shipped with software version 3.75.01 (24 Nov 03)
L8II
•Reformatting a partitioned hard drive (29 Sep 03)
ALL
 


Paper
Model
•Preventing slip sheets from sticking to the plate on a Lotem 850 DLC (16 Jan 05)
Lotem 850 DLC
•Paper loads with plate pdf (for FSEs)
ALL
•Paper loads with plate pdf (for RC CSEs)
ALL
•Paper disposal problems pdf (for FSEs)
ALL
•Paper disposal problems pdf (for RC CSEs)
ALL
 


Plates
Model
•Reducing scratches on plates caused by spring spoilers (23 Jul 03)
L8II, L8Q
•Hot spots appear on plates output by the Lotem 800
L8II, L8Q
•Illegal plate size pdf (for FSEs)
L8II, L8Q
•Illegal plate size pdf (for RC CSEs)
L8II, L8Q
•Paper loads with plate pdf (for FSEs)
L8II, L8Q
•Paper loads with plate pdf (for RC CSEs)
L8II, L8Q
•Plate does not reach punch position pdf (for FSEs)
L8II, L8Q
•Plate does not reach punch position pdf (for RC CSEs)
L8II, L8Q
•Plate pickup failure (for FSEs)
L8II, L8Q
•Plate stuck in punch
L8II, L8Q
•Random scratches appear on plate
L8II, L8Q
 


Prinergy
Model
•Prinergy troubleshooting
ALL
 


Punch
Model
•Releasing a plate stuck in a punch (17 Oct 04)
ALL
•Plate does not reach punch position pdf (for RC FSEs)
L8II, L8Q
•Plate does not reach punch position pdf (for RC CSEs)
L8II, L8Q
•Plate stuck in punch
L8II, L8Q
 


Registration
Model
•Misregistration pdf (for RC FSEs)
ALL
•Misregistration pdf (for RC CSEs)
ALL
 


Remote Support
Model
•Remote support
ALL
•Remote support service tools
ALL
 


Screen Sets
Model
•Screen Sets @ 2400 on Trendsetter & Brisque Excel (20 Jul 03)
L8II, L8Q
•Screen set parameters for Quantum @ 2400 (05 Nov 01)
L8II, L8Q
•Screen set parameters for Quantum @ 2540 (05 Nov 01)
L8II, L8Q
 


Splot
Model
•TH2 script help index (23 Apr 03)
L8Q, LQS
 


UDRC
Model
•UDRC troubleshooting
ALL
 


Versions
Model
•Software versions on Lotem 800 II platesetters
L8II
 


Wiring
Model
•Safety loop open error message (11 Jun 03)
ALL
 


Xilinx
Model
•MCE Xilinx file to resolve data shifts
L8II, L8Q
 


MCU troubleshooting
Model
•Resolving the problem of retracting a cassette from the Lotem 800 platesetter to the MCU user door (19 Dec 07)
MCU
•Resolving problems with the Lotem 800 MCU 24 V reset button (14 Aug 06)
MCU
•Resolving the “Operation not successful. Operator detector experienced timeout” error message (11 Apr 06)
MCU
•MCU cassette #5, stops 2-4 mm away from the correct position (10 Feb 05)
MCU
•Cassette fails to move from the MCU to the Lotem (23 Jan 05)
MCU

•Cassette fails to move from the Lotem to the MCU (23 Jan 05)

MCU

•MCU lift motor fails to move (23 Jan 05)

MCU
•Main air valve detector is missing or in an invalid state (16 May 04)
MCU
•MCU elevator does not move and no error messages are reported (03 Mar 04)
MCU
•Preventing the MCU for the Lotem 800, from intermittently stopping at the wrong levels
MCU
•MCU 3.60.09 software - known problems and solutions (26 Jul 03)
MCU
•Tunnel Cover Open Detector error message (26 Jul 03)
MCU
•Removing the belt tension/motor support screw (06 Jul 03)
MCU
•Exposing the tray on bridge detector to daylight/artificial light (06 Jul 03)
MCU
 



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