Thermo Scientific VF-F20-A Operating Manual page 101

MUTE ALARM
LIGHT
SERVICE
VALVE
WASH
Integral Fraction Collector FT (VF-F20-A) Operating Manual
Beeping alerts you when the device detects a problem, for example
leakage. To turn off the beep for the current alarm, press this button.
Eliminate the source for the alarm within 10 minutes. Otherwise,
beeping starts again. If the device detects a different problem, beeping
alerts you again immediately.
This button allows to turn on or off the cabin light.
The SERVICE button allows the device to move needle into service
position and switch fraction collection valve to waste position for the
purpose of the replacement of needle unit, or needle capillary, and
fixing shipping lock for the device transportation.
Pressing the SERVICE button, a second time, allows the device to move
needle to parking position.
The VALVE button allows switching the fraction collection valve between
Waste and Collect position. The LEDs next to the VALVE button indicate
the position of the fraction collection valve when they are illuminated
green. If both LEDs are off, it means the fraction collection valve is in
Flush position.
LED (green) Position
LED C The fraction collection valve is in Collect position.
LED W The fraction collection valve is in Waste position.
Both LEDs off The fraction collection valve is in Flush position.
Pressing the WASH button initiates a manual needle wash cycle, in
which the outer needle surface is washed in the needle wash port. The
wash cycle is performed with the wash settings as defined in
Chromeleon.
After the needle wash cycle, the needle moves to the parking position if
the left door is open.
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6 Operation
Page 101