1.24 HED power supply senses a fault condition.

Probable Causes

Bad HED power supply

Bad cable

Shortage to ground in manifold

Suggested Actions

Check the vacuum.

Turn the HED off from the Detector tab in the Tune > Manual Tune Section (LC/MS).

Check for leak.

If this error continues to occur, copy this error on the screen and contact Agilent for more help.

See Also

Error Messages (LC/MS)

Tune the instrument