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Waters

"Column temperature range" error on ACQUITY Column Heater - Active and Arc 30cm Column Heater - WKB14737

Article number: 14737

SYMPTOMS

  • Alarm band error.
    • Alarm band acceptable limit  = +/- 1 ºC< Alarm band acceptable limit  = +/- 5 ºC.
    • Selected temp = 25.0 ºC Ambient temp  = 25.0 ºC Message Center shows the error with 25.7 ºC.

ENVIRONMENT

  • ACQUITY UPLC Column Heater - Active (CH-A)
  • ACQUITY UPLC 30cm Column Heater - Active (CH-30A)
  • Arc 30cm Column Heater

CAUSE

Resistive devices must be controlled to ambient conditions plus 5 ºC to ensure that the required voltage is continuously supplied to the device and that the temperature remains stable.

FIX or WORKAROUND

Program the column compartment temperature to a set point that is 5 ºC above ambient.

ADDITIONAL INFORMATION

 

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