Swann AMI Codes-II CC, Operator'S Manual

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AMI Codes-II CC
Maintenance
6. Maintenance
6.1. Maintenance Schedule
WARNING
Stop operation before maintenance.
 Stop sample flow.
 Shut off power of the instrument.
If option pH is installed
Daily (dirty water)
up to every
2 weeks (clean
water) Check sample supply for dirt.
Clean all filters and strainers, if necessary.
Clean AMI Codes protection filter, if necessary.
Check sample flow (see also
Troubleshooting, p. 67 )
Every 4–6 weeks Clean reagent containers and prepare new reagents.
Let instrument run for 1 h. Make 3 manual measure-
ments. Compare average value to displayed value. If nec-
essary, perform process calibration.
Monthly Recommendation: Check photometer with verification kit
Verification, p. 50
Yearly Exchange reagent pump tubes.
By occurrence: E020, FOME dirty: Cleaning the Photometer, p. 55
E022, Reagent empty: Refill or replace Reagents, p. 46
E065, Reagents low: Refill or replace Reagents, p. 46
Weekly Perform a process calibration , see Process pH, p. 52 .
Every 2 months Perform a standard calibration , see Standard pH, p. 53 .