Richdel 446PR Hybrid: Zone 2 Runs Continuously Even in Off Position

Zone 2 runs constantly when zone 1 runs, and stays on in “Off”.

Test

1. Unplug controller power.
2. If zone 2 stops, controller is bad (replace).
3. If zone 2 keeps running, valve is stuck open (rebuild or replace valve).

See irrigationtutorials.com for valve repair.