Error "Shutter failed to home" on ACQUITY UPLC PDA Detector - WKB1193

SYMPTOMS

• The error "PDA Detector: Shutter failed to home" occurs
• Recycling the power does not correct it
• Shutter assembly could not home when 2998 is powered-on after a shutdown

ENVIRONMENT

• ACQUITY UPLC PDA Detector
• 2998 Photodiode Array Detector
• Arc Premier PDA 

CAUSE

Air bubbles in the flow cell

FIX or WORKAROUND

1. Power off the Detector
2. Close the ACQUITY Console 
3. Flush the flow cell for 5-10 minutes with Organic solvent (100% Methanol or 100% Acetonitrile)
4. Power on the Detector while solvent is flowing though the flow cell. 

ADDITIONAL INFORMATION