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Compression check failing on Alliance 2695 Separations Module (high pressure valve needs to be rebuilt) - WKB2627

Article number: 2627

SYMPTOMS

  • Compression check fails
  • New seal pack
  • New syringe
  • Purge injector several times
  • Solvent leaking on valve housing
  • Restriction missing

ENVIRONMENT

  • Alliance HPLC System
  • 2695 Separations Module
  • 717plus Autosampler

CAUSE

V1 and/or V2 valve (high-pressure valve) needs to be rebuilt

FIX or WORKAROUND

Rebuild V1 valve and/or V2 valve (High Pressure Motorized Valve Rebuild Kit [WAT045424])

ADDITIONAL INFORMATION

Additional troubleshooting can be found here:

WKB15163 Compression Check failure on Alliance 2695EB
WKB11428 Alliance 2695 Compression check fails after new seal pack is installed
WKB31351 Compression check failed on Alliance 2695 Separations Module

id2627, 2690, 2690D, 2690DUPGD, 2690UP, 2695, 2695D, 2695DE, 2695DEB, 2695DUP, 2695E, 2695EB, 2695INERT, 2695UP, 717, 717HC, 717PLUS, 717UP, A-10SSM, ALLCOLCLR, ALLCOLHTR, ALLCOLHTRB

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