4Calling Software Error Messages From Pv Massspec - Pfeiffer Vacuum PrismaPro QMG 250 Translation Of The Original

Malfunctions
Symptom / malfunction
messages
Poor peak shape
(Poor peak shape)
High noise level
(High noise level)
Tbl. 17:
10.1.4 Calling software error messages from PV MassSpec
Symptom / malfunction messages
PV MassSpec error
Tbl. 18:
66/86
Possible causes
Analyzer contaminated
System pressure too high
Ion source parameters faulty.
Mass filter defective or contaminat-
ed
Ion source or analyzer magnetized
Ion source or analyzer in close
proximity to magnetic fields
Mass calibration necessary
Error in the electronic unit (QME)
System grounding
Scan speed is too quick for the am-
plification setting
Electronic unit (QME) not attached
to the analyzer correctly
Electron multiplier defective or
worn
Error in the electronic unit (QME)
Low sensitivity
Operating and measuring errors
Possible causes
You can find error messages and remedies in the help files for PV MassSpec.
Software error messages from PV MassSpec
Remedy
● Degas the ion source.
● Bake out the analyzer.
● Replace the filament unit and/or the ion source.
● Replace the analyzer.
● Contact Pfeiffer Vacuum
● Ensure that the pressure is below the maxi-
mum operating pressure: < 5 × 10
● Contact Pfeiffer Vacuum
● Contact Pfeiffer Vacuum
● Rectify the cause of the magnetic fields.
● Rectify the cause of the magnetic fields.
● Carry out a mass calibration.
● Contact Pfeiffer Vacuum
● Make sure that the vacuum system is ground-
ed.
● Increase the dwell time (Dwell).
● Contact Pfeiffer Vacuum
● Make sure that the electronic unit (QME) has
been completely pushed onto the analyzer .
● Ensure that the contacts are straight and are
not bent or damaged.
● Check the gain of the electron multiplier.
● Replace the analyzer.
● Contact Pfeiffer Vacuum
● Contact Pfeiffer Vacuum
● Refer to the operating and measuring error
"Low sensitivity".
Remedy
Service.
-4 hPa.
Service.
Service.
Service.
Service.
Service.
Service.