Manual for X-CORE

Name: Manual for X-CORE
Brand: Hunter
Availability: InStock

Brand: Hunter

Category: Irrigation Controller

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: April 20, 2026, 7:42 p.m.

Warranty Information

No explicit warranty period is mentioned in the provided pages.

The X-CORE controller allows for programming of watering schedules for residential irrigation systems. Key operations include:

Setting Date and Time: Navigate to the 'CURRENT TIME/DAY' setting on the dial to set the current year, month, day, and time using the '+' and '-' buttons.
Programming Start Times: Select 'START TIMES' on the dial to set up to four start times per program (A, B, or C). A single start time can activate all stations sequentially.
Setting Station Run Times: Turn the dial to 'RUN TIMES' to set the duration each station will water, from 1 minute to 4 hours.
Selecting Watering Days: Choose 'WATER DAYS' to select specific days of the week, odd/even days of the month, or interval watering (1-31 days).
Advanced Features: Includes options for programmable sensor override, test programs, memory retrieval, and delayed starts.
System Off: The dial can be set to 'SYSTEM OFF' to temporarily halt all watering.

Problem	Cause	Solution
Controller is constantly watering	Too many start times programmed	Set a single start time per program. (Refer to page 18)
No display	AC wiring issue	Check AC wiring.
Display shows "No Power"	No active power source	Check adapter connection.
Display shows "OFF"	Rain sensor is shutting off watering, or sensor jumper/bypass wire is disconnected	Slide sensor bypass switch to disable or re-install jumper/bypass wire.
Rain sensor is not shutting off watering	Faulty rain sensor Sensor installed with jumper/bypass wire removed Station programmed for sensor bypass	Check rain sensor and wiring. Remove sensor jumper. Re-program sensor bypass.
Screen frozen or showing errors	Electrical surge	Reset the controller using the 'Memory Reset' function (page 24).
Display shows "ERR" with a station number (1-8)	Short circuit in valve wiring or station solenoid issue	Check valve wiring and solenoid. Correct circuit or replace solenoid. Press any button to clear the "ERR" warning.
Display shows "P ERR"	Pump relay or master valve wiring issue Incompatible or faulty relay/solenoid Improper wiring for pump relay or master valve	Check pump relay and master valve solenoid wiring. Check pump relay electrical specifications. Do not exceed controller ratings. Replace if faulty. Use a heavier gauge wire.