Alert: Excessive Deficit (Insufficient Watering Opportunity)

Description
The controller identified insufficient watering on the indicated zone.

What might happen as a result of the issue?
In Auto-Adjust mode, there's watering need greater than the allowed 1.5 inch deficit for the indicated zone.

Probable Cause
The problem is programming related, and likely the result of omitted watering days or times, or Auto-Adjust settings.