DIG 400A Series Instruction Manual page 23

SOLUTION: Verify that the controller does not show OFF in current time mode
CAUSE: AM/PM not set correctly in current time mode
SOLUTION: Check current time, change AM/PM if necessary
CAUSE: AM/PM not set correctly in start time mode
SOLUTION: Check start time(s), change AM/PM if necessary
CAUSE: Rain delay is preventing watering
SOLUTION: Set rain delay to off
CAUSE: Yellow sensor wires have been cut
SOLUTION: Re-connect sensor wires together with waterproof connector
CAUSE: Sensor is installed and is in a state that prevents watering
SOLUTION: Check sensor and wire splices and verify sensor is normally closed
PROBLEM: The display is blank
CAUSE: No buttons have been pushed in the previous 15 minutes
SOLUTION: Push any button
PROBLEM: Valve fails to close
CAUSE: Solenoid is loose
SOLUTION: Tighten solenoid by turning it clockwise to the right
CAUSE: Valve is installed backwards
SOLUTION: Check flow arrow and verify arrows points away from
water source – reverse valve if necessary
CAUSE: Debris is blocking solenoid port
SOLUTION: Shut off water supply, unscrew and remove solenoid, then open
water supply and flush out solenoid port, re-install solenoid
CAUSE: Flow control knob is too far open
SOLUTION: Turn flow control knob clockwise and retest
CAUSE: Drip System flow rate is below minimum flow rate
SOLUTION: Increase system flow rate by adding or changing drippers
21