Data missing with QDa - WKB48872

SYMPTOMS

• "QDa data missing" message on the chromatogram plot
• QDa does not acquire data
• UV detector is acquiring
• In the console, QDa shows as running

ENVIRONMENT

• ACQUITY QDa Mass Detector
• Empower
• ICS 1.65
• Firmware V

CAUSE

The QDa instrument method uses a sample rate of 15 pts/sec.

FIX or WORKAROUND

Reduce the sample rate to 10 pts/sec in the instrument method.

ADDITIONAL INFORMATION

This issue was fixed in Driver Pack 2017 Release 2 (DP2017R2).