- Peaks appear as expected in the PDA trace
- No peaks, only noise in the MS trace
- No error messages
- No leaks
- Tune page readbacks are okay
- The ACQUITY H-Class system and the PC were rebooted
- ACQUITY H-Class system
- MassLynx 4.1
The EPC needs a reboot.
FIX or WORKAROUND
- Exit the console and all MassLynx windows.
- Reboot the EPC.