Xevo TQ-XS - No beam/no peaks (fluidics diverter valve blocked) - WKB195369

SYMPTOMS

• Probe is not blocked when bypassing valve
• No beam on infusion of setup solution
• Fittings leak at diverter valve despite tightening

ENVIRONMENT

• Xevo TQ-XS
• Xevo TQ-S

CAUSE

Blockage in diverter valve

FIX or WORKAROUND

1. Remove the front of the valve (stator) and the black insert (rotor) and sonicate in methanol for 15 minutes. Examine both stator and rotor for signs of wear.
2. If wear is observed or there is still a leak at the diverter valve, replace both using the valve service kit (700009464).

3. The part number for the replacement valve (includes motor) is 70004188.

ADDITIONAL INFORMATION