No or low signal using QDa - WKB9029
Article number: 9029
SYMPTOMS
- No or low signal intensity
- No error messages
- Calibration beam okay
- No Capillary Voltage
- Solvent peaks on the tune page are of low intensity and appear "scratchy"
- Spluttering of solvent when flowing through the probe
ENVIRONMENT
- ACQUITY QDa Mass Detector
- ACQUITY UPLC H-Class
- ACQUITY UPLC I-Class
- ACQUITY UPC2
- MassLynx
- Empower
CAUSE
Blocked probe
FIX or WORKAROUND
Replace the probe,
700009642 ESI Probe Assembly 500 mm
ADDITIONAL INFORMATION
How To Replace a 750mm x 50 μm QDa Probe Assembly in an ACQUITY UPLC ISM splitter