Turbo pump fails when pumping down mass spectrometer - WKB618

SYMPTOMS

• Turbo pump reaches only 50%
• "Turbo pump failure" error
• Vacuum system stops
• Source maintenance recently completed
• With isolation valve closed, turbo reaches 100% with no error

ENVIRONMENT

• Xevo TQS micro
• SYNAPT XS

CAUSE

Faulty sample cone O-ring

FIX or WORKAROUND

1. Replace the sample cone O-ring.

ADDITIONAL INFORMATION

This article applies to all Waters mass spectrometers with a Z-spray source.