![Pfeiffer Vacuum PrismaPro QMA 250 F1 Translation Of The Original Download Page 62](http://html1.mh-extra.com/html/pfeiffer-vacuum/prismapro-qma-250-f1/prismapro-qma-250-f1_translation-of-the-original_1534986062.webp)
Symptom / malfunction messag-
es
Possible causes
Remedy
No communication to the host com-
puter
IP address of the PrismaPro is
not compatible with the network
● Change the IP address of the PrismaPro.
PrismaPro communication con-
nection (Port 80) is not open on
the host computer
● Open Port 80 on the host computer.
● Change the communication port of the Pris-
maPro.
Faulty cable connection
● Make sure that all cables are connected to
the correct connections.
Ethernet card of the host com-
puter is faulty
● Replace the Ethernet card of the host com-
puter.
Ethernet interface of the elec-
tronic unit (QME) is faulty
● Contact
Communication error (DSP)
(DSP communication error)
Incorrect DSP response detect-
ed
● Reset the electronic unit (QME) by switch-
ing off.
Error in the electronic unit (QME)
● Contact
Communication error (DEC)
(DEC communication error)
Incorrect DEC response detect-
ed
● Reset the electronic unit (QME) by switch-
ing off.
Error in the electronic unit (QME)
● Contact
DDS error
Error in the electronic unit (QME)
● Contact
Tbl. 15:
System and communication errors
10.1.2 Remedying hardware errors
Symptom / malfunction messages
Possible causes
Remedy
Emission error at cold or warm start
It is not possible to start/maintain the
specified emission current
(Emission error)
Insufficient vacuum
● Ensure that the pressure is below the maximum
operating pressure: < 5 × 10
-4
hPa.
Defective analyzer fila-
ment (open or short-
circuited)
● Check the ion source elements and analyzer ele-
ments for short-circuit and insulation.
● Ensure that the wiring screws are securely fas-
tened.
● Replace the filament unit, the ion source or the
analyzer.
Electronic unit (QME) not
attached to the analyzer
correctly
● 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.
Incorrect analyzer operat-
ing voltage
● Check that all settings are correct.
● Use the settings from the test report for orienta-
tion.
Error in the electronic unit
(QME)
● Contact
Anode voltage error
It is not possible to start/maintain the
specified anode voltage
(Anode error)
Analyzer defective, anode
short-circuited
● Check the ion source elements and analyzer ele-
ments for short-circuit and insulation.
● Ensure that the wiring screws are securely fas-
tened.
● 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
Cathode voltage error
It is not possible to start/maintain the
specified cathode voltage
(Cathode/EE error)
Analyzer defective, fila-
ment short-circuited
● Check the ion source elements and analyzer ele-
ments for short-circuit and insulation.
● Ensure that the flange or the pipe features an in-
ner diameter of ≥ 37 mm, preferably > 39 mm.
● Repair or replace the analyzer.
Error in the electronic unit
(QME)
● Contact
Malfunctions
62/86