How to enable the auto defrost feature in H-Class and I-Class Sample Managers - WKB23407

OBJECTIVE or GOAL

• Enabling the auto defrost feature to allow the sample manager to reach a lower sample compartment temperature.
  • Recommended for customers with method requirements for operating samples in cooler compartment conditions.

ENVIRONMENT

• ACQUITY H-Class Sample Manager - Flow Through Needle (SM-FTN)
• ACQUITY H-Class Bio SM-FTN
• ACQUITY I-Class SM-FTN
• ACQUITY I-Class Sample Manager - Fixed Loop (SM-FL)

Requirements:

• ICS/Firmware: Update to Driver Pack 2018 R1 or newer.
• Serial Number Cutoff: Sample Managers with serial numbers of A17 or later contain the hardware for enabling auto-defrost capability.
  • Early model instruments may have been previously updated with proper engine/fan hardware by a Waters Field Service Engineer.

PROCEDURE

1. The auto-defrost feature is turned off by default Driver Pack 2018 R1.
2. Auto-defrost is enabled through Console > Configure > Preferences.
   • 
3. Select Preferences and open the dialog box.
   • Select the box to enable the "Auto-defrost" feature.
   • 
   • Note: If the user does not see this dialog for "Auto-defrost" in sample manager preferences, then either one or more of the following issues exists:
     • Firmware requirement not met
     • Hardware requirement not met
4. Any user can enable/disable the ”Auto-defrost Cycle” from the Console within the Sample Manager FTN/FL Sample Manager settings under the Configure menu by selecting Preferences Tab.

ADDITIONAL INFORMATION