If the foreline pump is not working correctly, it can prevent the turbomolecular pump from reaching its normal operating speed. Foreline pressure is not measured on an MSD equipped with a turbomolecular pump. See also Foreline pressure is too high.
Check the back of the MSD. Make sure the high vacuum signal cable (HIVAC SIGNAL) is securely connected to the back panel of the MSD and to the turbomolecular pump controller.
Contact your Agilent Technologies service representative.
Contact your Agilent Technologies service representative.
Contact your Agilent Technologies service representative.