Section 6 Troubleshooting & Technical Information; Problem Solving Guide - BIO RAD VERSADOC User Manual

Section 6
Troubleshooting & Technical Information

6.1 Problem Solving Guide

Problem
VersaDoc is not
responding to host
computer
Image is not visible on
the monitor or only low
signal counts are
detected
Image intensity varies
across the image
UV or Epiillumination
not working
Fluorescent image has
spots
White light Image has
vertical lines
Possible Cause
Power is not supplied or the
system is not switched on
VersaDoc Door is open
Serial/USB or AIA cable is not
connected properly
Camera power cable is not
connected properly
Conflict in the PC
AIA cable is defective
Startup sequence is incorrect
Computer has a conflicting
program or initiation (init.) file
The 'Transform" function in the
software is set too high
Lens cap is covering lens
Insufficient integration time
Chemi tray not removed when
imaging nonchemi sample
Wrong application selected
Wrong imaging area selected
Bad lamp
Dirty optics
Bad lamp
Main door is open
Dust or small particles on the
sample platen or optics
Chemi/Sample tray was not
used
User's Manual • 6-
Solution
Ensure power is supplied to the
system and that the switch is
turned on
Close Door
Reconnect Serial/USB/AIA cables
and ensure it is seated properly
Makes sure that the cables are
connected and seated properly
Change PCI slot to which the
digitizing card is connected
Replace AIA cable
Turn off all components and
restart in opposite sequence
Contact Bio-Rad for assistance
Set to a lower maximum value
Remove lens cap
Integrate sample for a longer time
Remove chemi tray from sample
chamber
Verify / reselect correct
application
Verify / reselect correct area
Replace lamp
Ensure that platen, filter and lens
are clean
Replace lamp
Ensure doors are closed properly
Clean the platen, lens and filters
Use the Chemi/Sample tray on
the UV Filter platen and reacquire
the image
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