LabChip GX/GXII User Manual

Troubleshooting and Diagnostics 237Pressure Leak DetectedError Message: “Pressure leak detected. Check and clean the O-rings at the chip interface.”Possible Causes1. O-Ring missing ordirty.Recommended ActionsClean the O-rings (see page 232).Run the Pressure Diagnostic Tests (see page 239).If the problem is not resolved, contact Caliper TechnicalSupport (see page 2).Focus FailedError Messages:• “Focus failed due to less than 2 peaks found during horizontalscan.”• “Focus failed due to more than 3 peaks found during horizontalscan.”• “Focus failed due to dry focus marks not found.”• “Focus failed due to error in horizontal scan.”Possible Causes1. Focus nominal startingposition is incorrect.2. Laser or detector failure.3. Laser interlock switchfailure.4. Bad or jammed focusmotor.Recommended ActionsRun the Optics Diagnostics tests (see page 239).If the problem is not resolved, contact Caliper TechnicalSupport (see page 2).P/N 127170 Rev. 00 LabChip GX User Manual Caliper Life Sciences, Inc.