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Preparing the Waters TQ Detector for Operation
Monitoring the TQ Detector LEDs
Light-emitting diodes on the TQ Detector indicate its operational status.
Power LED
The power LED, to the top, left-hand side of the TQ Detector’s front panel,
indicates when the TQ Detector is powered-on or powered-off.
Operate LED
The operate LED, to the right of the power LED, indicates the operating
condition.
Operate LED indications :
LED mode and color
Description
Off
The instrument is in Standby mode with high
voltages and heaters inoperative.
Constant green
The instrument is in Operate mode with heaters
and high voltages operating.
Flashing green
Indicates the system is waiting for an instrument
component to reach operational conditions. The
LED could, for example, flash while the system
reaches a programmed temperature set point or
vacuum level. The instrument is in working
order and Operate mode but not yet ready to
acquire.
Flashing red
Indicates that the system stopped due to error
and is no longer processing any samples or other
maintenance requests. Information regarding the
error appears in the data system's control panel
or the ACQUITY UPLC Console software.
Constant red for
3 minutes
The instrument is waiting for the instrument to
initialize.
Constant red for more
than 3 minutes
Indicates a serious system failure that prevents
further operation. Power-off the instrument, and
then power-on. If the LED is still steady red for
more than 3 minutes, contact your Waters
service representative.