5-8 Rapidlab 1200 Operator’s Guide: Maintenance
02087462 Rev. V
4. Check the level of fill solution in the reference sensor:
a. Verify that the reference sensor fill solution is above the fill line.
The fill line is on the right side of the KCl reservoir.
NOTE: The fill solution can become slightly pink as a result of analyzing QC and
AutomaticQC materials. A pink color that becomes very dark over a 12 hour
period indicates a pending failure of the reference sensor. When this occurs,
replace the reference sensor or the reference sensor cassette.
b. If the level of fill solution is low, fill the sensor.
Refer to Performing Reference Sensor Maintenance‚ page 5-34.
5. Check the level of fill solution in the K
+
, Cl¯, Ca
++
, Na
+
, and pH sensors:
a. Verify that the K
+
, Cl¯, and Ca
++
sensors are almost full with a small (1 mm)
bubble at the top.
b. Verify that the pH and Na
+
sensors are completely full.
c. If the level of fill solution is low, replace the fill solution.
Refer to Performing Measurement Sensor Maintenance‚ page 5-40.
6. Close the measurement module door and close the front cover.
7. Allow the system to warm up for 10 minutes.
8. Select
Yes.
9. Select
Continue > Return.
10. Select
Analyze > Yes.
11. Analyze a minimum of 2 levels of quality control material to verify sensor
performance.
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