"Active pre-heater configured but not detected" message in the ACQUITY console - WKB80613

SYMPTOMS

• "Active pre-heater configured but not detected" message in the ACQUITY console
• Column was just changed

ENVIRONMENT

• ACQUITY UPLC H-Class
• ACQUITY UPLC H-Class Bio
• ACQUITY UPLC H-Class PLUS
• ACQUITY UPLC H-Class PLUS Bio
• ACQUITY UPLC I-Class
• ACQUITY UPLC I-Class PLUS

CAUSE

The column preheater was not securely connected to the column heater.

FIX or WORKAROUND

Ensure that the preheater is securely connected to the column heater.

ADDITIONAL INFORMATION