Waltron Aqualert 6051 Instruction Manual page 70


With the help of the diagnosis menu, check the function sensor and magnet valve.
Error during Titration

Check that there is enough reagent available.

Check the pipes between the reagent bottle and the dosing-pump for air bubbles. If
necessary, pump reagent until the pipes are full of reagent.

Check that the blue O-ring is still on the nozzle of the dosing-plug.

Check that there is water in the chamber.

Check that there is a magnetic stirrer (stir-fish) in the chamber.

Check the reagent delivery, the sensor and the stir-fish with the diagnosis menu.
False test result

Check that the reagent corresponds to that programmed.

Check for air bubbles in the reagent delivery pipe.

During the blank test, check that the sample water is not coloured by foreign
substances, sediment or air bubbles.

Check that there is water in the chamber and that the supply and waste pipes are not
swopped.

Check that there is a magnetic stirrer (stir-fish) in the chamber.

Check that the blue O-ring is still on the nozzle of the dosing-plug and that it is
positioned correctly.

Check that the magnet valve closes properly.

Exchange the reagent pump-cassette

Re-calibrate the unit with a new correction factor.
70
Error Analysis
Waltron User Manual 101-048-E.1
6051 Hardness Analyzer