10 Malfunctions
10.1 Troubleshooting
Procedure
1. Ensure that the insulation is intact on all cables and that there is no damage to the insulating ma-
terial.
2. Check the fault chart with the symptoms to see if the problem is listed there, and how it can be
rectified.
3. Check the following points to rectify communication problems.
– The Ethernet cable is connected to the PrismaPro and the host computer (either directly or
via the router / Ethernet switch).
– The PrismaPro IP address has the same network prefix as the host computer.
– Port 80 is open on the host computer.
– There is no IP address conflict between the PrismaPro and another network device.
4. Check PV MassSpec-specific error messages in the help file for the software.
5. Contact
if you cannot resolve the existing problem.
10.1.1 Remedying system and communication errors
Symptom / malfunction messag-
es
Possible causes
Remedy
LED <POWER> does not light up.
No external current supply (24 V)
● Ensure that the mains voltage at the input
of the SP 250 external power supply pack is
between 100 and 240 V (AC).
● Ensure that the output voltage at the SP
250 external power supply pack is between
20 and 30 V (DC).
● Replace the SP 250 external power supply
pack.
Error in the electronic unit (QME)
● Contact
LED <STAT> does not light up.
Emission off
-
Filament defective
● Check the filament.
QME has no connection to the
analyzer
● Check the connection between QME and
analyzer.
● Ensure that the contacts are straight and
are not bent or damaged.
Vacuum conditions not met
● Check the vacuum conditions.
● Ensure that the pressure is below the maxi-
mum operating pressure: < 5 × 10
-4
hPa.
Interlock prevents emission
● Check the interlock conditions for emission.
Error in the electronic unit (QME)
● Contact
LED < STAT> is flashing.
Error in the electronic unit (QME)
● Contact
The yellow LED on the <LAN> con-
nection is not lit/flashing.
Missing or wrong Ethernet cable
● Check the PC connection.
● Check the connections of the Ethernet
switch (if applicable).
Ethernet cable defective
● Replace the Ethernet cable.
Ethernet socket on the electronic
unit (QME) defective
● Contact
Software PV MassSpec not set
up correctly
● Check the settings in PV MassSpec.
Software PV MassSpec is not
running correctly.
● Reinstall PV MassSpec.
Malfunctions
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