Isolation valve stuck - WKB50539

SYMPTOMS

Isolation valve is stuck. Cannot easily move from blocked to open.

ENVIRONMENT

• Xevo TQ MS
• Xevo TQ-S
• Xevo TQ-XS
• SYNAPT G2
• SYNAPT G2 MS/HDMS
• SYNAPT G2-S MS/HDMS
• SYNAPT G2-Si MS/HDMS
• SYNAPT G2-S
• SYNAPT G2-Si
• Vion IMS QTof
• Xevo QTof
• Xevo G2 QTof
• Xevo G2 Tof
• Xevo G2-S
• Xevo G2-S QTof
• Xevo G2-S Tof
• Xevo G2-XS
• Xevo G2-XS QTof
• Xevo G2-XS Tof
• ACQUITY SQD system
• SQ Detector
• ACQUITY TQD system
• TQ Detector
• SQ Detector 2

CAUSE

Isolation valve is warped or damaged.        

FIX or WORKAROUND

1. Vent and remove isolation valve.
2. Replace the Perlast O-ring. (Replace the stem also if showing signs of damage.)

ADDITIONAL INFORMATION