2D-LC User Guide 321
12 Maintenance
Overview of Maintenance
Overview of Maintenance
The following pages describe maintenance procedures (simple repairs) that can
be done without opening the main cover.
Table 37 Maintenance procedures
Procedure Typical Frequency Notes
Cleaning the Module If required
Correcting Leaks If a leak has occured Check for leaks
Maintain the Column Switching
Valve
If valve leaks
Replace Valve Heads If the valve performance shows
indication of leakage or wear
Replacing Parts of the Valve
Head
If leak sensor is defective
Replacing the Fuses of the
Infinity Valve Drive
When a fuse is defective
Replace the Module Firmware If required