MAINTENANCE
35
MAINTENANCE
Maintenance schedule
Only the replacement components that meet the manufacturer’s specifications should be used.
Components have to be replaced according to the table:
Part
number Description Replacement interval Comments
10411 Pre-filter Q w/ quick
connectors
Filter life counter is 0
(zero) or the filter is
clogged
10311 Deionization Q w/ quick
connectors
When “Error 1” error
message is shown, or
when Grade II water
conductivity is constantly
>0.5 μS/cm
10031 Polishing Q w/ quick
connectors
When conductivity of
dispensed Grade I water is
constantly >0.1 µS/cm or
when Error 2 is shown
Depends on water
consumption
10011 Sterilization UV bulb When required (on
average every 2 years)
For Bio configuration
10018 UV photooxidation bulb 2 years on average For HPLC and Bio
configuration
10012 0.22 µm dispense
microfilter
Every 6–12 months For HPLC, Trace and Bio
UF configurations
10120 Ultrafilter Every 3–6 months For Bio configuration
11200 Replacement in-line
ultrafilter
Every 6–12 months For Bio UF configuration
The water storage tank should be cleaned and disinfected every 2-3 months.
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