 Bad HED power supply
 Bad HED power supply
 Bad cable
 Bad cable
 Shortage to ground in manifold
 Shortage to ground in manifold
 Check the vacuum.
 Check the vacuum.
 Turn the HED off from the Detector tab in the Tune > Manual Tune Section (LC/MS).
 Turn the HED off from the Detector tab in the Tune > Manual Tune Section (LC/MS).
 Check for leak.
 Check for leak.
 If this error continues to occur, copy this error on the screen and contact Agilent for more help.
 If this error continues to occur, copy this error on the screen and contact Agilent for more help.