Bio-Rad Gel Doc™ EZ System - Manual (Page 85)

Criterion Stain Free TM System
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Appendix A: Troubleshooting
Follow the recommendations below to troubleshoot problems with the Imager.
Problem Possible Cause Solution
Green LED on front panel is
off AC power cord is not
connected Connect AC power cord to the imager and an
appropriate wall socket
Power is off Turn the power switch on
Front panel LEDs remain
flashing Firmware is not loading Call Bio-Rad Technical Support for help
Image is not visible on the
monitor No sample on sample tray Place a sample on the tray and run protocol
again
Image is not bright enough Underdeveloped gel If initially stopped after 2 minutes, allow the gel
to develop for 2-3 more minutes
Red LED flashing on front
panel Sample tray not inserted all
the way Push sample tray into the imager until you feel
the magnet pull the sample tray
Door interlock broken Please close the door
Bulb fault Replace all the lamps according to the
instructions in Chapter 2
Communication interrupted Make sure Imager power is on the USB cable is
connected to the PC. Restart the imager
Imaging button is pressed
on front panel while
software is not yet open Red light will stop flashing when the software is
opened. Press the imaging button again to
initiate imaging