Using the column compartments 99
the underlined value. You cannot edit any underlined values (temperature set
point and column selection) while the system is running samples.
Resolving column compartment leak sensor errors
After approximately 1.5 mL of liquid accumulates in the leak sensor reservoir,
an alarm sounds, indicating that the leak sensor detected a leak.
Tip: Small column leaks can be undetectable because they can evaporate
before reaching the leak sensor reservoir.
Required materials
• Cotton swabs
• Gloves: clean, powder-free, chemical-resistant
• Nonabrasive, lint-free wipes
To resolve a column heater leak sensor error (door in closed position):
1. In the ACQUITY UPLC Console’s Leak Sensors dialog box, determine
which of the sample manager’s two leak sensors detected a leak.
2. If the message reads “Leak Detected (Column)”, open the column
heater’s door. Otherwise, see the “Resolving leak sensor errors” section
in the Sample Manager Operator’s Overview and Maintenance
Information document.
3. Locate the source of the leak, and make the repairs necessary to stop it.
Tip: Liquid from a detector leak can accumulate in the reservoir of the
column heater’s leak sensor, causing an alarm to sound. Always inspect
the detector when attempting to locate the source of a leak.
Warning: To avoid personal contamination from contact with
biologically hazardous or toxic materials, always wear clean,
chemical-resistant, powder-free gloves when performing this
procedure.
Caution: To avoid scratching or damaging the leak sensor
• do not allow buffered solvents to accumulate and dry on it;
• do not submerge it in a cleaning bath.
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