Arc 30-cm Column Heater/Cooler does not achieve 65 °C temperature set point - WKB15612

SYMPTOMS

• Programmed temperature set point of 65 °C, but the column compartment only achieves 62 °C in 12 hours equilibration with no flow.
  • The heater cooler engine is operating at approximately 50% power and does not achieve 65 °C temperature set point.
  • Room temperature stable at 22 °C.
• Arc 30-cm Column Heater/Cooler cannot reach set points above 50 °C.
  • The column compartment takes 60 minutes or longer and does not reach temperature set point.

ENVIRONMENT

• ACQUITY Arc SM-FTN-R
• ACQUITY Arc 30-cm Column Heater/Cooler

CAUSE

• Arc SM-FTN-R firmware bug power limiting control when heating and cannot reliably achieve set points above 50 °C.
  • The heater/cooler engine is operating at a power limited to 50%.

FIX or WORKAROUND

Install Waters ACQUITY Arc Sample Manager FTN-R Firmware v1.70

ADDITIONAL INFORMATION

To install this release:

1. Restart the computer or LAC/E connected to the Arc Sample Manager FTN-R.
2. Download the Arc Sample Manager FTN-R self-extracting executable file from Waters.com.
3. Run the self-extracting executable file.
   • Result: The Sample Manager FTN-R [V1.70].sft, Loader, and Release Notes are extracted.
4. Copy the .sft firmware file to the LAC/E or workstation location: C:\Empower\Instruments\Firmware.
5. In C:\Empower\Instruments\Firmware, run Autoloader.
   • Result: Ensure that the status for the Sample Manager FTN-R reads “Update Required” and the File Version reads “1.70”.
6. Select Load Firmware.
7. After the firmware loads, power cycle the Sample Manager FTN-R and close Autoloader.