"Shutter failed to home" error after power-up with ACQUITY UPLC PDA - WKB234266
Article number: 234266
SYMPTOMS
- ACQUITY PDA shows "shutter failed to home" error after a power shutdown
ENVIRONMENT
- ACQUITY PDA
CAUSE
Dirty flow cell is causing insufficient light pass-through.
FIX or WORKAROUND
Before replacing any part, run 100% methanol through the flow cell, and reset the PDA.
ADDITIONAL INFORMATION