F7S3 : Flow Detected Solvent Mix
To avoid serious injury follow all warnings and instructions in the manual. Wear appropriate personal protective equipment.
The number on the end of the error code refers to which mix unit is having the issue. For example F7S#.
The solvent flow switches indicate that both are flowing solvent at the same time for Mix Unit #1 (3) or Mix Unit #2 (4).
- Clean or replace the switch(es).
- Check for leaks and repair valve(s).