Siemens ADVIA 2400, Operator'S Manual, Page: 145 / 200

Maintenance 145
1)
Dilution Probe (DPP)
2)
Sample Probe (SPP)
3)
Reagent Probe 1 (RPP1)
4)
Reagent Probe 2 (RPP2)
Figure 5-28. Probes
Remove the probe
1. Put the system in Standby mode.
CAUTION
To keep from damaging the probe tip when the power is off, you must manually
support the probe and be careful not to strike it against anything on the analyzer.
2. Cover the cuvettes, wash cups, and other analyzer surfaces with lint-free towels to
catch any screws that might fall.
3. Lift and manually rotate the probe to an accessible location.
Probe Accessible Location
Sample probe (SPP) Over the dilution tray (DTT)
Reagent probe 1 (RPP1) Over reagent tray 1 (RTT1)
Reagent probe 2 (RPP2) Over reagent tray 2 (RTT2)
4. Loosen but do not remove the
setscrews on each side of the
probe cover. Lift the cover off
the probe.
5. Using pliers or your fingers,
loosen the knurled fitting (
3
)
counterclockwise, then unfasten
and remove it by hand.
6. Loosen but do not remove
setscrews (
4
)
1)
Terminal 2
2)
Joint Holder
3)
Joint Connector
4)
Philips Screws
(4 places)
5)
Probe Tube
7. Lift the old probe and discard.
Figure 5-29. Probe without cover