Hach PHOSPHAX sc LR User Manual page 4

Table of Contents
Section 5 Maintenance
5.1 Maintenance schedule............................................................................................................... 45
5.2 Examine for damage.................................................................................................................. 45
5.3 Examine the tubing and fittings.................................................................................................. 45
5.4 Clean the instrument.................................................................................................................. 46
5.5 Clean spills................................................................................................................................. 46
5.6 Replace the reagents................................................................................................................. 46
5.7 Replace the air filter pads.......................................................................................................... 46
5.8 Replace the pump head for air pump (piston pump).................................................................. 48
5.9 Do a leakage test....................................................................................................................... 49
5.10 Replace the fuses.................................................................................................................... 50
5.11 Do a validation check (analytical quality assurance)................................................................ 50
5.11.1 Validation with standard solution..................................................................................... 50
5.11.2 Validation with applicable laboratory measurement (cuvette test).................................. 51
5.12 Put the analyzer in shutdown mode......................................................................................... 53
5.12.1 Prepare the analyzer for storage..................................................................................... 53
Section 6 Troubleshooting
6.1 Troubleshoot the controller........................................................................................................ 55
6.2 Troubleshooting the analyzer..................................................................................................... 55
Section 7 Replacement parts and accessories
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