«Main Cause»

Density of solvent vapor inside column oven has exceeded leak sensor actuation level.

 

«Countermeasure»

(1) Mobile phase has leaked inside the oven. Take action to stop the leak.
(2) There is solvent vapors in the air around the unit. Provide adequate ventilation for the room.
(3) Sensor sensitivity is incorrectly adjusted. Readjust the sensitivity.