Waters ACQUITY UPLC M-Class System Manual page 34

3 Preparing the System
μSM-FL: Run LED
The Run LED, on the right-hand side of the power LED on the μSM-FL's front
panel, indicates the run status.
Run LED indications:
LED mode and color
Unlit
Steady green
Flashing green
Flashing red
Steady red
Flashing red and green
TVM: Run LED
The Run LED, on the right-hand side of the power LED on the TVM's front
panel, indicates the run status.
34 March 10, 2014, 715003588 Rev. A
Description
Module is idle.
The μSM-FL is operating
normally, attempting to
complete any outstanding
samples. When sample
requests are finished, the
LED reverts to the unlit
mode.
Initializing and preparing for
normal operation.
Error state. Refer to the
instrument console for
information about the error.
Indicates a failure of a module
that prevents its further
operation. Power-off the
module, and then restart it. If
the LED is still steady red,
contact your Waters service
representative.
Used as a visual identification
of a module after it is selected
via the console.