Hach-Lange PROGNOSYS - Manual (Page 14)

Message Possible cause Solution
Pump piston
replacement If 0 day is shown, the time for the
pump piston is expired.
• Contact technical support immediately to replace the
pump piston, so that the instrument operates
correctly.
• Set the counter when the pump piston is replaced.
Air filters clean The maintenance for the air filter
is necessary.
• Examine the air filter condition.
• Rinse the air filter with water or replace it.
• Examine and clean the air inlet and outlet on the
back of the instrument.
• Use tweezers to remove contamination from the air
filter support.
• Complete the air filter maintenance task correctly so
that the instrument does not overheat.
• Set the counter when the maintenance task is
completed.
Reagent days Shows the days that remain to
replace the reagent.
• Replace the reagents on time.
• Set the counter when the maintenance task is
completed.
clean Solu days Shows the days that remain to
replace the cleaning solution.
• Replace the cleaning solution on time.
• Set the counter when the maintenance task is
completed.
Standards days
(AMTAX sc only) Shows the days that remain to
replace the calibration standard.
• Replace the calibration solution on time.
• Set the counter when the maintenance task is
completed.
Electrolyte days
(AMTAX sc only) Shows the days that remain to
change the electrolyte in the
electrode and the membrane cap.
• Change the electrolyte in the electrode and the
membrane cap on time.
• Set the counter when the maintenance task is
completed.
Compressor
replacement The time for the compressor is
expired. For instruments with a
filter probe only.
• Replace the compressor.
• Set the counter when the maintenance task is
completed.
Clean filtration
modules Shows the days that remain to
clean the filtration modules. For
instruments with a filter probe
only.
• Clean the filtration modules. Replace the filtration
module if the cleaning is not sufficient.
• Set the counter when the maintenance task is
completed.
Humidity probe % Humidity is in the enclosure.
Shows the time that remains to
replace the filter probe.
Contact technical support immediately for the filter
probe maintenance and desiccant replacement, so that
the instrument operates correctly.
Service filter
probe required Shows the days that remain to
replace the pump membrane in
the filter probe.
• Contact technical support immediately for the filter
probe maintenance and pump membrane
replacement, so that the instrument operates
correctly.
• Set the counter when the pump membrane is
replaced.
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