- ACQUITY QDa crash vented during acquisition.
- ACQUITY QDa failing to pump back down, only reaches 40% turbo speed.
- Failure occurred two weeks after system installation.
- Turbo pump power very high (>70W)
- Turbo speed does not reach 100%
- Cannot pump down
- ACQUITY QDa
Diaphragm pump not performing at optimum efficiency.
FIX or WORKAROUND
- Replace diaphragm pump (Part Number 700009640)
- Pump down instrument
- Verify that turbo pump power is now within normal range (around 45W)