Xevo MS randomly vents - WKB234135

SYMPTOMS

• MS randomly vents
• Engineer dashboard shows that source randomly drops out
• MS could pump for two hours before scroll pump cuts out
• Xevo TQ-S micro also shows cone voltage out of range error after reboot before pump-down

ENVIRONMENT

• Xevo G2-XS
• Xevo G2-XS QTof
• Xevo G2-XS Tof
• Xevo TQ Absolute

CAUSE

Roughing pump overheats.

FIX or WORKAROUND

Ensure that the scroll pump runs within operating temperature limits.

ADDITIONAL INFORMATION