Hach LXV526.98.1011A Wartung Und Fehlerbehebung Seite 5

1. Put on the personal protective equipment identified in the safety data sheet (MSDS/SDS).
2. Push menu, then select STOP ANALYZER.
Note: If START ANALYZER shows, the analyzer is already in standby mode.
3. Replace the reactivation solution and calibration solution as follows:
a. Remove the reactivation solution and calibration solution bottles from the analyzer. Refer to
Figure 1.
Note: Only analyzers with the auto calibration option have a calibration solution bottle.
b. Discard the solutions in the bottles into an applicable drain.
c. Flush the bottles with deionized water.
d. Fill the calibration solution bottle with new 10-ppm Sodium Chloride (NaCl) solution (500 mL).
The calibration solution bottle has a label with a yellow stripe.
Note: To prepare 10-ppm Sodium Chloride (NaCl) solution, refer to the operations manual.
e. Fill the reactivation solution bottle with new 0.5M Sodium Nitrate (NaNO
The calibration solution bottle has a label with a red stripe.
Note: To prepare 0.5M Sodium Nitrate (NaNO
f. Install the bottles in the analyzer. Make sure that the tubing with a red "REACT" label is put in
the bottle that has a label with a red stripe.
Make sure that the tubing with a yellow "CAL" label is put in the bottle that has a label with a
yellow stripe.
4. Enter the bottle levels as follows:
a. Push menu, then select REAGENTS/STANDARDS.
b. Select SET REACT LEVEL, then enter 100%.
c. Select SET STANDARD LEVEL, then enter 100%.
5. Select PRIME REAGENTS.
6. When the prime reagents step is complete, push menu, then select START ANALYZER.
Figure 1 Bottle removal
) solution, refer to the operations manual.
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) solution (500 mL).
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