Troubleshooting

Boards / Power | Brisque | Diagnostics | Drum Carriage | Expose System | General | Lotem Controller | Image Quality | Interlock System | Load / Unload System | Media | Punch System | PC Problems | Software | Unload Tray | User Troubleshooting

Boards / Power

• Platesetter is locked in a shut down state (15 Oct 03)
• DDB card error message (17 Sep 03)
• Load/Unload problems
• Laser power supply failure during exposure
• Problems caused by long screws
• Min DDB divider
• Platesetter software version 2.10.06
• DDB returns faulty error message
• DDB buffer error due to incorrect registry entry

Brisque

• Reconfiguring the Brisque after replacing a cassette (31 Mar 04)
• Brisque version 4.1: Preventing a 2-3% dot variation between separations (05 Feb 04)
• In Brisque 4 and Brisque 5, jobs with certain screen set parameters are exposed on Lotem 400 and Lotem 800 with a reduced number of beams (03 Feb 04)
• Error message: Interhead margin values must be between 10 and 500 (29 Sep 03)
• Controller and Brisque problems

Diagnostics

• Using the JOIND diagnostics
• Self study guide - Lotem diagnostics
• Lotem 800 version 3.75.09 (Jan 04)
• Lotem 800 version 3.75.01 (Sep 03)
• Lotem 800 version 3.60 and 3.70 release notes (Dec 02)
• Lotem 800 version 3.20.01 (Jun 01)

Drum / Carriage

• Drum deceleration and drum speed deviation problems occur on all output devices (10 Jan 06)
• “Carriage Motor Fine Detector Not Active” error message appears after exposing an image (06 Feb 05)
• Prevent the Lotem 800 drum from shutting down during an exposure (19 Jan 04)
• Drum is oscillating at start up (23 Sep 03)
• Upper roller pin catches on the mounting block
• Version 2.10.06 - Drum Init not working
• Balance system error message
• Drum vacuum oil change
• Fly Off error message

Expose System

• “The debris removal timeout failed” error message appears when a plate is being exposed (05 Jul 04)
• FM screening: Preventing the exposure of a crooked image on a Lotem 800 V2 (28 Mar 04)
• Prevent the 'Put of Distribution Card Failed' and 'Distribution Card Doesn't Respond' error messages (14 Dec 03)
• Carriage reach position without edge detection (27 Jul 03)
• Image shifts in the screw axis
• Running the Lotem calibration tool generates an error message and aborts the job
• Working with incorrect laser calibration factors
• Exposure issues
• Determining which diodes and LDDs cause problems
• Misregistration (field engineer), (remote support) pdf (05 Feb 02)
• Scratches on plates (field engineer), (remote support) pdf (19 Feb 02)
• Unexposed areas near the tail gripper (field engineer), (remotes support) pdf (19 Feb 02)

General

• Before You Finish

Lotem Controller

• Preventing the “Missing Objects None” error message on Lotem 800 Family platesetters (27 Aug 06)
• Lotem 800 unload motor does not work after upgrading the software from version 3.20.01 to 3.61.02 (18 Apr 05)
• Lotem 800/Quantum - Lotem Controller freeze clarification
• Lotem Controller and Brisque problems
• Lotem 800 Version 3: Troubleshooting software logs, keyboard shortcuts and command line arguments

Image Quality

• Resolving the problem of images not being correctly exposed onto plates (14 Aug 06)
• Preventing unwanted black vertical lines from appearing on the exposed image (05 May 04)
• Preventing the exposure of a skewed image on a Lotem 800 platesetter (30 Mar 04)
• Preventing banding on a Lotem 800V2 (FH) (14 Aug 03)
• Reducing scratches on plates caused by spring spoilers (23 Jul 03)
• Image quality
• Hot spots on plates output by the Lotem 800
• Pressure marks on plates output by the Lotem 800
• Random scratches on plates output by the Lotem 800

Interlock System

• Lotem 800 interlocks and solenoids fail to respond (24 May 04)
• Interlock system problems

Load / Unload System

• Resolving the problem of retracting a cassette from the Lotem 800 platesetter to the MCU user door (19 Dec 07)
• The Lotem platesetter rollers mark the plates during the loading/unloading process (23 Jan 05)
• Resolving low XY and proof bar vacuum levels (27 Jan 04)
• Enhanced enable detector kit (p/n 518-00481A) (25 Nov 03)
• Replacing worn out plastic bearings (bushings) in the unload tray (20 Nov)
• Error message: Plate did not reach punch (11 Nov 03)
• Resolving the 'Protector XY punch is locked by X motor' error message (01 Oct 03)
• From cassette to punch entry
• Unload from drum to tray and processor
• Loading cassette
• Paper disposal stage
• Plate load on drum
• From punch entry to drum entry
• Curing scratching problems
• Lotem 800 does not pick up plates from the cassette
• Plates do not unload from the Lotem 800 (with spring spoilers)
• Problems caused by inaccurate short pins
• Disabling the "Plate on unload beside drum" detector
• Cassette sensor wire tearing
• Tweezers do not grip paper
• Cassette centering arms
• Plates do not reach punch position
• Changing loading parameters
• New loading system problems
• Bad default parameter values in version 3.20.01
• Bar flag problems on Lotem 800V (27 Mar 03)
  
• Double loading (field engineer) , (remote support) pdf (19 Feb 02)
• Illegal plate size (field engineer) , (remote support) pdf (19 Feb 02)
• Paper disposal problems (field engineer) , (remote support) pdf (06 Feb 02)
• Paper loads with the plate (field engineer) , (remote engineer) pdf (19 Feb 02)
• Plate pickup failure (field engineer) , (remote support) pdf (25 Feb 02)
• Plate stuck in punch (field engineer) , (remote support) pdf (19 Feb 02)
• Plate does not reach punch position (field engineer) , (remote support) pdf (19 Feb 02)

Media

• Resolving problems when defining a plate size measuring 795 mm x 1060 mm (09 Jan 07)
• Curing scratching problems
• Fuji plate problems
• Thermal printing plate 830 with Creo platesetter
• Pinholes on Plates
• Roller marks on Horsell plates
• Fuji plate problems

Punch System

• How to release a plate that is stuck in a punch (17 Oct 04)
• Plate is stuck in the Lotem 800 punch
• Punch system is not available
• Punch activated when not requested
• Solution for punch moving left or right

PC Problems

• Prevent Lotem Controller version 3.61.02 from freezing during the imaging process (10 Apr 06)
• Preventing 40 GB hard drive failures on Lotem platesetters (30 Aug 04)
• Reformatting a partitioned hard drive (29 Sep 03)
• Loading Windows CD Image 2.0 on an old Lotem 800V (01 Jul 03)

Software

• Reformatting a partitioned hard drive (29 Sep 03)
• Wrong UDRC operation with software versions 3.60.09 and 3.61.02 (30 Apr 03)
• Corrupted CPU BIOS

Unload Tray

• Unload roller arm on Lotem 800 and Quantum platesetters

User Troubleshooting

• Lotem 800 Family / Lotem 800 II Family Troubleshooting Guide for User pdf (16 Jul 03)
  Translations: French, Dutch, German, Italian, Spanish, Swedish (21 Aug 03)
• Generic troubleshooting questions , (Customer)
• User troubleshooting and tips pdf (25 Feb 02)