Maintenance 125
6. Lift and manually rotate the probe arm over the STT or the RTT tray.
The movement may feel a bit awkward and tight.
7. Pour deionized water into the wash cups and overflow sensor unit, then clean and dry
these areas with lint-free towels.
CAUTION
Do not apply excessive force while cleaning the overflow sensor to avoid
damaging it.
NOTE: If an overflow error message appears, there is probably water on the sensor.
dry the sensor.
To clear the alarm message, on the Operation Panel, select the alarm
icon.
8. Replace the splash guards and secure them in place with the thumb screws.
9. Replace the DPP shield and secure it in place.
10. Return the analyzer to the READY mode.
Inspecting the pumps
A decrease in liquid flow or the presence of air bubbles in the lines may be due to a
leaking pump. Inspect the pumps for leaks daily to identify potential problems.
Materials required:
• Lint-free towel
Time: 10 minutes
Analyzer mode: STANDBY
BIOHAZARD
Wear personal protective equipment.
Use universal precautions.
1 SP
2 DIP
3 DOP
4 DCP
5 SRWP
6 RP-1
7 RP-2
Figure 5-9. Pumps
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