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Xevo TQ-S "Low desolvation gas flow" error - WKB193588

Article number: 193588

SYMPTOMS

  • Low desolvation error in console logs
  • Input N2 Pressure at regulator is OK, ~100 psi
  • Source pressure test successful
  • Cone gas flow readback is normal (150 L/h) and nebulizer readback is normal (6.9 bar)
  • Issue persists after a hard reboot of the MS using the rear switches 

ENVIRONMENT

  • Xevo TQ-S
  • MassLynx

CAUSE

Frozen or locked desolvation setting on the tune page.

FIX or WORKAROUND

  1. Change the set desolvation gas flow to 1200 L/h, and then return to the normal set flow rate. 
  2. The N2 readback should now work properly. 

ADDITIONAL INFORMATION

MassLynx SCN986 with Full Security 

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