Hach NA5600 sc Na+, Operation Manual

Page: 7 / 200

Table 1 Measurement screen—background colors
Color Definition
White The analyzer is in operation with no warnings, errors or reminders.
Yellow (warning or reminder) The analyzer is in operation with active warnings. Wrench symbol shows on the
display when the time for a maintenance task has passed.
Red (error) The analyzer is not in operation due to an error condition. A serious problem has
occurred.
3.2.1 PROGNOSYS indicator bars
The measurement quality indicator bar shows the overall measurement health of the analyzer (0 to
100%). The service indicator bar shows the number of days until a service task is necessary. Refer
to
Table 2 .
To see the parameters that have an effect on the indicator bars, push diag , then select
PROGNOSYS > MEASUREMENT INDICATOR or SERVICE INDICATOR.
Table 2 PROGNOSYS color descriptions
Color Measurement quality indicator bar Service indicator bar
Green The system is in good working condition and the health
percentage is more than 75%.
There are at least 30 days until the next
service task is necessary.
Yellow The system needs attention to prevent a failure in the
future. The health percentage is between 50 and 75%.
At least one service task is required in 1 to
30 days.
Red The system needs immediate attention. The health
percentage is below 50%. One or more service tasks are required
within 1 day.
3.2.2 Additional measurement screens
From the measurement screen, additional measurement screens are available:
• Single channel analyzers:
• Push the LEFT or RIGHT arrow to switch between the main display and a graphical display.
• Multi-channel analyzers:
• Push the UP or DOWN arrow to change the channel shown and see the last measurement for
the channel.
• Push the LEFT or RIGHT arrow to show more channels and a graphical display.
• In the graphical display, push the UP or DOWN arrow to show the graph for the previous or next
channel. Refer to Graphical display on page 7 for additional options.
3.2.3 Graphical display
The graphical display shows measurements for a maximum of four channels. The graph supplies
easy monitoring of trends and shows changes in the process.
English 7