TROUBLESHOOTING 40
Serial Number shown at startup as “UUUUU” (or random value)
Won’t keep correct time and date
This is likely to occur if the unit is more than 4 years old. Return it to an
authorized QRS Diagnostic, LLC service center for routine servicing and testing.
Scrolling lines on the Screen
This can occur if holding buttons while switching the Biolog on. To cor-
rect this, turn the Biolog off, remove the batteries for ten seconds, re-
place the batteries, and turn the Biolog back on, making sure you do not
touch any of the buttons.
If the problem continues, contact your QRS Diagnostic, LLC service center.