Hach-Lange Filter probe sc - Manual (Page 29)

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Section 6 Maintenance and cleaning
CAUTION
When carrying or transporting the instrument/instrument
components and if the total weight is more than 18 kg, make
sure that suitable lifting equipment is used and/or that the
instrument/instrument components are carried by 2 people.
6.1 Maintenance and cleaning by the operator
• Regularly check the filtration probe sc for mechanical damage.
• Regularly check the filter modules for mechanical damage.
• Regularly check all connections for leaks and corrosion.
• Regularly check all cables and tubing for mechanical damage.
• Clean the filter modules using the damp sponge from the
accessories.
• Clean the filtration probe sc (not the filter modules) with a
cloth. You can use a brush for stubborn soiling.
6.1.1 Troubleshooting, error state diagnostics and repair
6.1.1.1 Module pressure value too low
If the filter modules block, the module pressure value in the filtration
probe sc drops.
Clean the filter modules or replace the filter modules
(see
Cleaning / replacing filter modules on page 28 ).
Pressure value State Action
< 0.25 bar Blocked Replace filter modules
0.25 bar...0.45 bar Soiled Clean filter modules
> 0.45 bar ok No action