Hach 9523sc User Manual page 22

Menu option
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Section 8 Maintenance
8.1 Maintenance schedule
Table 5 shows the recommended schedule of maintenance tasks. Facility requirements and
operating conditions may increase the frequency of some tasks.
Task
Clean the sensors on page 23
Replace the resin beads
Replace a fuse on page 25
Replace the temperature controller
22 English
Table 4 Setup menu options
Name Description
Operations Navigates to the operations menu.
Analog input value Shows the process value.
Input error latching Sets error latching to on or off. If latching is on, the user
must manually clear the errors.
Calibration offset Offsets the input indication to adjust for lead wire
resistance or other factors that cause the input indication
to change from the actual process value.
Table 5 Maintenance schedule
on page 24
on page 26
As necessary
X
X
X
X