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6 • Operation
Page 86 Diode Array/Multiple-Wavelength Detectors (VC-D11, VC-D12, VF-D11)
Operating Manual
6.3.2 Status Indicators
The status LED bar on the front side of the device and the STATUS LED
on the inside keypad provide information about the device status.
LED Bar
The LED bar provides the information when the device is closed. When
the device is connected in the Chromeleon software, the LED bar may
provide less information.
LED Bar Description
Off (dark) The power to the device is turned off.
Dimmed The doors of the device are open.
Yellow, flashing slowly The power to the device is turned on, but the device
is not connected in the Chromeleon software.
Yellow The device is connected in the Chromeleon
software, but the device is not equilibrated. The
lamps are turned off, or no flow cell (or diagnostic
cell) is installed.
Green, flashing The device is equilibrating. At least one lamp is
igniting.
Green The device is equilibrated, but no data acquisition is
running. A flow cell or diagnostic cell has been
detected and at least one lamp is turned on.
TIP If the LED bar is green, the detector is ready for
measurements. After the lamp(s) have been turned
on, parameters like drift improve during the first
few hours.
Blue, running A data acquisition is running.
Blue An injection or sequence is running.
Red A problem or error has occurred. For the related
message, check the Chromeleon Audit Trail. For
remedial action, see
Troubleshooting ( } page 157) .
STATUS LED
The STATUS LED on the keypad inside the device provides the following
information:
STATUS LED Description
Off (dark) The power to the device is turned off.
Green The device is functioning properly.
Red A problem or error has occurred. For the related message, check
the Chromeleon Audit Trail. For remedial action, see
Troubleshooting ( } page 157) .
For information about the LEDs that are present next to the UV and VIS
buttons on the keypad, see Keypad ( } page 84) .