
PlasmaQuant PQ 9000 (Elite)
Fault removal
73
5204
Status: Plasma error!
Cause
Remedy
Device communication error
The step motor for grating, prism, shutter is
faulty
Restart the device (and PC if relevant)
Inform service
5206
Status: One or more safety interlocks are open!
Cause
Remedy
There is no cooling water flow
The plasma compartment door is open
The torch is not in measuring position
No Ar gas pressure is present
The extraction output is not sufficient
The generator has been shut down by pressing
the red plasma deactivation switch
Switch on the recirculating chiller; check whether
the cooling water flow is > 0.85 L/min
Close the plasma compartment door
Check the torch position
Check the Ar gas pressure
Check the extraction
Reignite the plasma
5208
Status: CCD cooling error! Please check purge gas
flow!
Cause
Remedy
No Ar gas flow is present
If the plasma is burning, in the S
PECTROMETER
win-
dow, activate the CCD
COOLING
option and then
click on [S
ET
].
7.2
Equipment faults and analytical problems
Other problems that are not detected by system monitoring can also occur. Starting a
measurement is possible. Such errors are usually detected on the basis of implausible
measuring results (analytical problems) or are clearly visible in the equipment technol-
ogy.
If the suggested solutions are not successful, inform service.
No signal
Cause
Remedy
The pump does not deliver any sample
Check the tube / peristaltic pump
The nebulizer is clogged; the mass-flow
rate is very high (in the P
LASMA
R
EPORT
window)
If necessary, check with Na solution (1 g/L) – if no plasma coloring (orange)
is observed:
Check the nebulizer nozzles for obstructions and clean them (see "Clean-
ing the nebulizer" p. 59)
If the sample nozzle is clogged
filter the solutions or use an in-line filter
If the argon nozzle is clogged
dilute the measurement solutions or use
an argon humidifier
The injector is clogged
Check with Na solution (1 g/L) – if no plasma coloring (orange) is observed:
Check the injector tip for deposits and clean it
Increase the distance between the injector and plasma
(move the torch down on the height adjustment or increase auxiliary gas
flow)