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Waters

Source Pressure Test fails - WKB12207

Article number: 12207

SYMPTOMS

  • Source pressure test fails.
  • High exhaust warning on QDa instrument

ENVIRONMENT

  • Xevo TQD
  • Xevo TQ MS
  • Xevo TQ-S
  • Xevo TQ-XS
  • Xevo G2-Tof
  • Xevo G2-QTof
  • Xevo G2-S
  • Xevo G2-XS
  • Synapt G2 MS
  • Synapt G2 HDMS
  • Synapt G2-S
  • Synapt G2-Si
  • QDa

CAUSE

Blocked or faulty John Guest check valve at the Waste Trap Bottle.

FIX or WORKAROUND

  1. Open the instrument's source enclosure.
  2. Remove John Guest check valve from the Waste Trap Bottle assembly, taking note of the arrow position.
  3. Shake to John Guest check valve. Ensure that you hear a ball moving inside the check valve.
  4. Refit the check valve with the arrow pointing down, close source enclosure, and carry out source pressure test.
  5. Replace John Guest check valve if needed (part number: 6063338).

ADDITIONAL INFORMATION

 

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