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AMI Codes-II
Maintenance
6.12. Longer Stop of Operation
A-96.250.571 / 050517
1 Put the suction lances into bucket with clean water.
2 Start <Fill system>.
The reagent tubes are flushed with water.
3 Remove the suction lance from the water.
4 Start <Fill system> again.
The water will be pumped out of the reagent tubes.
5 Stop sample flow.
6 Wait until level in flow cell has fallen to the shorter tube inside
the cell.
7 Shut off power of the instrument.
8 Empty the flow cell completely.
9 Open the occlusion frames of the peristaltic pump, see
the Pump Tubes, p.
If option pH is installed
10 Unscrew and remove the connector from the pH sensor.
11 Put the connector cap onto the sensor connector.
12 Fill 3.5 molar KCl (if not available: water) into the rubber cap.
13 Remove the pH sensor from the flow cell and place the rubber
cap on the tip of the sensor
CAUTION
Damage of pH sensor
Wrong storage will damage the pH sensor.
Never store the pH sensor dry.
Store the pH sensor with tip pointing downwards in a frost-
protected room.
59.
Replace
63
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Questions and answers
Using the AMI Codes-II, there is Chlorine in the system, yet the system reads 0.00. Reseted, still no feedback. what could be the problem.
If the Swann AMI Codes-II system reads 0.00 for chlorine despite chlorine being present, possible issues could include:
1. Reagent Issues – The required reagents (OXYCON ON-LINE DPD, buffer solutions, etc.) might be depleted, expired, or improperly mixed.
2. Clogged or Dirty Components – The sample inlet, inlet filter, or flow regulating valve might be clogged, preventing proper water flow.
3. Calibration or Sensor Issues – The system may need recalibration, or the sensor might be faulty or improperly installed.
4. Power or Electrical Issues – The instrument may not be receiving proper power, or there could be an electrical fault affecting measurement.
5. Interference from Additives – Certain water additives like corrosion inhibitors or cyanuric acid might interfere with chlorine detection.
Checking reagent levels, cleaning components, recalibrating, and verifying power and water flow can help identify and resolve the issue.
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