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 colors provide the following 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 chromatography data system.

Yellow

The LED bar is yellow when both conditions apply:

  • The detector is connected in the chromatography data system, but the device is not equilibrated.

  • The detector gas flow is turned off.

Green, flashing

The detector prepares for operation. This comprises the following phases:

  • The detector performs the self-test.

  • The detector is warming up.

    If you defined in the chromatography data system that the evaporation temperature must be within a specified temperature range, the evaporation temperature is not yet within this range. For details on the setting, see Important Operating Parameters.

  • The detector is equilibrating.

Green

The LED bar is green when both conditions apply:

  • The detector is equilibrated, but no data acquisition is running.

  • The detector gas flow and drain pump are turned on.

Blue, running

A data acquisition is running.

Blue

The LED bar is blue when both conditions apply:

  • An injection or sequence is running.

  • No data acquisition is running.

Red

A problem or error has occurred. For the related message, check the Instrument Audit Trail. For remedial action, see Troubleshooting.

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 Instrument Audit Trail. For remedial action, see Troubleshooting.

For information about the LED that is present next to the GAS button on the keypad, see Keypad.