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ACQUITY CM-A Error: Column active preheater over-temp fuse h/w fault - WKB4114

Article number: 4114

SYMPTOMS

ENVIRONMENT

  • ACQUITY UPLC I-Class
  • ACQUITY UPLC H-Class
  • ACQUITY UPLC M-Class
  • Column Manager
  • CH-A

CAUSE

Unknown.

FIX or WORKAROUND

Faulty active preheater.

ADDITIONAL INFORMATION

In certain cases the observed issue might be caused by worn contact surfaces on the active preheater itself. It is worth trying to clean the contact surfaces before replacing the active preheater.

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