[Richard L]

The system is telling you there are flow problems.

Try the following first:
1. Check for clogged nozzle. unplug it and do a manual test.
2. Prime the system (read manual).
3. If all is well, bridge the "SYS" link again to activate the system. One minute at a time. It will switch the pump on and the FAV at 100%. With the jet taken off. look for the spray pattern.