Low desolvation and cone gas flow on the Xevo TQ-S, Xevo TQ-S cronos, Xevo TQ-S micro or Xevo TQ-XS - WKB108070

SYMPTOMS

• Low desolvation gas flow; readback is 29 L/hr with a set point of 550 L/hr
• Low cone gas flow; readback is 39 L/hr with a set point of 150 L/hr
• If API gas is turned off, desolvation and cone gas readbacks both go to 0 L/hr
• Restarting MassLynx does not resolve
• Rebooting the EPC does not resolve
• Rebooting instrument electronics does not resolve

ENVIRONMENT

• Xevo TQ-XS
• Xevo TQ-S
• Xevo TQ-S cronos
• Xevo TQ-S micro

CAUSE

Unknown

FIX or WORKAROUND

1. Open and close the source door.
2. Allow the source pressure test to run.

ADDITIONAL INFORMATION