9.6 Calibrate the pH electrode
The calibration procedure is based on the type of electrode. Refer to the information supplied with
the electrode.
9.7 Calibrate the analyzer
The calibration procedure of the analyzer is based on the analyzer method. Refer to Do a calibration.
9.8 Clean the analyzer components
Do a cleaning cycle to automatically clean the analyzer components. Refer to Do a clean cycle.
If the cleaning cycle does not remove all of the dirt in the analyzer components or unclog the tubing
and valves, do a manual cleaning as follows:
1. Use a syringe filled with demineralized water to flush tubings, pumps and valves to remove
blockages.
Replace the tubing and valves that stay clogged.
Note: If micropumps stay clogged, examine the micropump duckbills and replace if necessary. Refer to
Replace the micropump duckbills on page 32.
2. Drain and disassemble the analysis vessel. Clean the analysis vessel components with a moist
cloth. Dry with a soft cloth. Refer to Figure 10.
3. Make sure that all tubing connected to the analysis vessel is at the correct position after
maintenance.
Figure 10 Analysis vessel
1 Analysis vessel
9.9 Clean the drain piping
Make sure that the external drain piping does not have a blockage. Clean if necessary.
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