Troubleshooting

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Carriage

• Head collides with the Garage or Arbor
• Carriage collides with park position sensor
• Cannot zero TFX head to sleeve or plate

Chiller

• Chiller page - for troubleshooting information on the Neslab M33

Drum and drum drive

• Problem loading half size thick plates
• Drum brake is generating dust
• Drum drive belt noisy
• Drum brake rattles at low RPM
• Drum bearings noisy or drum difficult to spin

Drum Vacuum System (inverter)

• Drum vacuum drive inverter error EF4
• Drum vacuum pump fan not running
• Drum vacuum pump overheats (error DVC04)
• Drum vacuum drive timeout reaching reference pressure (error DVC12)
• Drum vacuum system not responding to commands (error DVC08)
• No drum vacuum pressure regulation (errors DVC 13 & DVC14)
• Drum vacuum pump manual operation inoperative
• Drum vacuum system over-current

Engine

• Cam locks turn all the way around
• Tailstock balancer sensors not functioning
• Park position switch not working
• Tailstock will not disengage
• Spindle Cam Locks rotate too far
• Focus Learn Failures (worn tailstock bearings)

General Operation

• Problem loading half size thick plates
• Plate flyoff occured

Imaging and media

• Image is shifted in the subscan direction
• Image is shifted in the mainscan direction
• Flexo Imaging Troubleshooting
• Mainscan vibration arifacts
• Subscan stitching error
• Digital Flexography Troubleshooting Guide - TFX Head Only 
• Media Troubleshooting - for more troubleshooting information about imaging and media
.
• Focus Learn Failures



• Troubleshooting Flexo Press Artifacts 
• Screening Escalation Form 
• 15CentimeterGradient.pdf 

Power Box

• Electrical Overview Reference Page - For additional troubleshooting notes

Production Hub

• Sleeve gets stuck on the shell
• Carriage will not move
• Production Hub cannot rotate

Sleeves, Shells, and Arbors

• The arbor leaks hydraulic fluid
• Sleeves will not load
• Shell will not load
• Shell slips on the arbor

Workstation

• Firmware resets, firmware download problems, CDI errors
• ThermoFlex TIFF FE Troubleshooting page
• TIFF Front End v2.0 Troubleshooting page