© RLS Wacon analytics GmbH +49 (0)5121 281260
July 2022
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73
Error messages
Analysis does not start
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Check whether a flow monitor is configured and connected.
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Check whether an interval time has been entered.
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Check that a water meter is fully configured and connected.
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If necessary, check the connection from an external control to the unit.
Error message E11 reagent
After the first dosing of the analysis, no sufficient discolouration was detected in the sample.
•
Check whether there is still enough reagent in the reagent bottle.
•
Check the connecting tube between the reagent bottle and the peristaltic pump for air
bubbles. If necessary, pump reagent until the hose is completely filled with reagent.
•
Check whether there is water in the measuring chamber.
•
Check the dosing pump and agitator assemblies.
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Check that the water drain is clear and that no foreign bodies have become lodged in the
solenoid valve.
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When using a pump for sample delivery, check that the pump is connected correctly.
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Check that the inlet and outlet are connected the right way round.
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Check that the stirring blade is in the measuring chamber.
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0mA is output at the current output if the type "value" is set at the current interface.
Error message E12 Water flow
The measuring chamber is not rinsed with clear water after the end of the analysis. The sensor does
not detect any lightening of the measuring chamber due to rinsing.
•
Check whether there is line pressure at the unit connection.
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Check the function of the solenoid valve.
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Check if the drain is clogged.
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If necessary, check the function of the sample pump, stopcocks and valves.
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0mA is output at the current output if the type "value" is set at the current interface.
Error message E13 Optics
No difference in brightness was detected after switching on the actuator LED.
•
Check the measuring chamber for dirt.
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Check the electrical connection of the actuator plug.
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Check the correct position of the actuator plug.
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Check the colour sensor in the diagnostic menu.
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0mA is output at the current output if the type "value" is set at the current interface.
