Pfeiffer Vacuum PrismaPro QMA 250 F1, Перевод оригинала

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Symptom / malfunction messages Possible causes Remedy
High-frequency error
(RF error) Electronic unit (QME) not
properly tuned to the ana-
lyzer
● Contact Pfeiffer Vacuum Service .
Analyzer defective, HF
connections open or
short-circuited
● Check the HF connections for short-circuit and in-
sulation.
● Ensure that the flange or the pipe features an in-
ner diameter of ≥ 37 mm, preferably > 39 mm.
● Replace the analyzer.
Error in the electronic unit
(QME)
● Contact Pfeiffer Vacuum Service .
Secondary electron multiplier error
It is not possible to start/maintain the
specified EM voltage
(Electron multiplier error)
Analyzer defective, elec-
tron multiplier short-
circuited
● Check the analyzer connections for short-circuit.
● Check the HV contact electron multiplier HV at the
feedthrough of the analyzer.
● Contact Pfeiffer Vacuum Service .
Error in the electronic unit
(QME)
● Contact Pfeiffer Vacuum Service .
Temperature of the electronic unit
(QME)
Ambient temperature of
the PrismaPro > 50 °C
● Check the ambient conditions.
● Ensure that the device is installed correctly.
● Make sure that there are no heat sources in the
vicinity.
● Make sure that the ventilator installed is running.
● Check the hardware configuration: Fan on/off.
Error in the electronic unit
(QME)
● Contact Pfeiffer Vacuum Service .
Overpressure
(Total pressure error) Total pressure too high ● Reduce the pressure.
Total pressure plate
short-circuited or contami-
nated
● Replace the ion source.
● Contact Pfeiffer Vacuum Service .
Ion source contaminated ● Replace the ion source.
● Contact Pfeiffer Vacuum Service .
Electrometer error
(Electrometer error) Current too high
(< -1 × 10
-6
A or > 1 × 10
-6
A)
● Reduce the pressure.
● Reduce the EM voltage.
● Check the feedthrough of the analyzer.
● Replace the analyzer.
● Contact Pfeiffer Vacuum Service .
Error in the electronic unit
(QME)
● Contact Pfeiffer Vacuum Service .
Mass filter error
(Mass filter error) Poor calibration / occur-
rence of error during cali-
bration
● Recalibrate the device (tune).
● Contact Pfeiffer Vacuum Service .
Peak position and/or res-
olution out of permissible
range
● Recalibrate the device (tune).
● Contact Pfeiffer Vacuum Service .
Mass filter contaminated ● Bake out the analyzer.
● Contact Pfeiffer Vacuum Service .
Mass filter defective or
damaged
● Bake out the analyzer.
● Contact Pfeiffer Vacuum Service .
Error in the electronic unit
(QME)
● Contact Pfeiffer Vacuum Service .
Ion source error
(Ion source error) Settings of the ion source
faulty
● Load the settings from the test report.
● Contact Pfeiffer Vacuum Service .
Ion source contaminated ● Replace the filament unit.
● Replace the ion source.
● Contact Pfeiffer Vacuum Service .
Detector error
(Detector error) Electron multiplier voltage
set too high
● Reduce the EM voltage.
Detector not working
properly
● Contact Pfeiffer Vacuum Service .
Malfunctions
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