Troubleshooting

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Lotem 400 Other Versions: Links to Lotem 400 Xpose (PS/M), MCU, and Chemistry-Free are located on the side menu, underneath the content listings.

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For more information, see Diagnostics/Service demos and Diagnostics/Service tools on the Reference page.

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Boards

• Drum Driver 2 LEDs status (08 Mar 2004)

Brisque

• Problem between Brisque to Lotem400 (06 May 2001)
• Brisque to Output Device Config Troubleshooting (22 Nov 1999) 

connectivity

• Error message related to connectivity (24 Mar 2004)

drum

• Drum decelerates (slows down), or drum speed deviates (13 Apr 2005)
• Drum cannot rotate (26 Aug 2003)
• Lotem 400 Drum Speed to Intensity condition (10 Jan 2000)
• Plate stuck on drum during unload

edge detection

• Smart edge detection fails on Magnus 400 platesetters (updated 30 Dec 2007)
• Carriage reach position without edge detection (15 Jul 2003)

error messages

• Carriage Motor Fine Detector Not Active (06 Feb 05)
• DDB OPCOD83 error appears, and put and get actions do not succeed (15 Dec 2004)
• Distribution Card Doesn't Respond (23 Dec 2003)
• Drum cannot rotate (26 Aug 2003)
• Illegal plate size (26 Aug 2003)
• Left/right local errors with Lotem 400 w/ MCU - Version 1.30.04 with Local 2 (04 May 2001)
• Loader Local 3 cannot be opened from diagnostics (11 Feb 2003)
• Lotem 400/Flexo - Laser Interlock Errors (05 May 2002)
• Lotem400GUI caused an invalid page fault in Module PLATEEDGEDETECTION.DLL (12 Nov 2003)
• MCF board-related error message possibly accompanied by drum runaway (29 Feb 2004)
• Paper/Plate On Disposal Detector gives fault errors on centering: Version 1.30.04 update #2 (07 Mar 2001)
• Put of Distribution Card Failed (23 Dec 2003)
• Running Lotem calibration tool generates an error message and aborts the job in Lotem 400 and 800 machines connected to the Brisque 4.x (16 Dec 2002)
• This program has performed an illegal operation and will be shut down (12 Nov 2003)
  

exposing

• In Brisque 4.x and Brisque 5, jobs with certain screen set parameters are exposed on Lotem 400 and Lotem 800 with a reduced number of beams (11 Feb 2004)
• Excurve correction results mirror the required results (22 Oct 2003)
• Expose aborts
• Expose does not start and a host-related error message appears (04 Apr 2004)

focus motor

• Focus motor fails intermittently to locate home position (11 Jan 2007)
• Problem with focus motor (26 Mar 2000)

heads

• Reduced number of beams

imaging

• Photoactivity or pressure marks on Kodak plates (29 Nov 2004)
• Fogging on Image in Lead Corners with Small 0.15 mm Plates (20 Jul 2004)
• Black vertical lines appear on the exposed image (05 May 2004)
• Vacuum pump turns off and image is faded or out of focus (20 Apr 2004)
• Fogged areas appear on plates
• Jittery Lines in Exposed Images (25 Feb 2004)
• Hot spots resolved by moving the focus motor (26 Mar 2000)
• Lines on plates
• Misregistration occurs on plates
• Rollers to Solve Scratches (19 Mar 2001)
• Scratches on plates
• Slashes appear on plates
• Spiral lines on Toray plates (02 Sep 2003)

laser

• Lotem 400/Flexo - Laser Interlock Errors (05 May 2002)
• Reduced number of beams

load gripper

• L400 TS Load Gripper End Posn 1112 (13 Nov 2001)
• Load gripper at incorrect position
• Load gripper does not reach the end position (EP)

loading

• Six mil GTO plates do not load smoothly (10 Nov 2005)
• Enhanced enable detector kit (part number 518-00481A) (27 Nov 2003)
• Loading motor reliability (10 Oct 2002)
• Loading issues and error messages: troubleshooting table for customers (07 Dec 2003)
• Manually loaded plate cannot enter the platesetter (02 Jul 2003)

log files

• Saving log files manually (16 Feb 2003)
• Collecting ALL the necessary information on the Log file (19 Jun 2001)

performance

• Platesetter performance is erratic (17 Apr 2005)
• Platesetter is locked in a shut down state (16 Oct 2003)

plates

• Faulty plates
• Illegal plate size
• Plate stuck on drum during unload

punch

• Lotem 400 w/ MCU - Punch Guides (26 Dec 2000)

registration

• Misregistration due to registration pins location conflict with plate size (18 Jun 2003)
• New head grippers and patch for version 1.50.08 to improve registration (16 Feb 2003)
• Registration load motor parameters for manual load, version 1.50.08 (19 Jan 2003)
• Misregistration occurs on plates
• Registration problem with plates wider than 550 mm (17 Jan 2000)

resolution motor

• Resolution motor velocity was changed by mistake to 3 steps/sec: Lotem 400 - Version 1.30.04 Update #3 (19 Mar 2001)

startup

• Software fails to load on 40 GB hard drive and error message appears (02 Sep 2004)
• During Windows startup, an error message appears (31 Aug 2003)
• Lotem Controller monitor does not turn on, though power is on and fans are heard (22 Mar 2004)
• Reformatting a partitioned hard disk (30 Sep 2003)
• Windows does not start, and an error message appears (08 Sep 2003)

troubleshooting guides

• Brisque - TSP Trouble shooting Guide (updated 28 Apr 2002)
• Lotem 400 Troubleshooting
• Tips and Troubleshooting information (21 May 2001) 

TSP

• Problems with TSP Board 503D03465M (23 Nov 2000)

unloading

• Plate expose and unload fail (16 Mar 2004)
• Plate does not unload (10 Mar 2004)
• Plate stuck on drum during unload
• Unload roller preasure (12 Jun 2001)

vacuum

• Vacuum pump issues (11 Jun 2001)