Safety fault turns off high vacuum gauge
Vacuum leak
Bad high vacuum gauge
If the actual reading is 9.94 x 10 -1 Torr, there may be a safety fault causing the gauge to go into Standby. These usually include:
Solvent leak
Temperature leak
Voltage issue
Power cycle the instruments to see if you can get rid of the fault.
If this error continues to occur, copy this error on the screen and contact Agilent for more help.