How to fix a Hunter Control Panel with no display?
- JJohn McdonaldSep 12, 2025
If there is no display on your Hunter Control Panel, check the batteries and AC power. Correct any errors.

How to fix a Hunter Control Panel with no display?
If there is no display on your Hunter Control Panel, check the batteries and AC power. Correct any errors.
What to do if Hunter Irrigation System display shows P 'ERR'?
If your Hunter Irrigation System display shows P 'ERR', there is likely a short in the P/MV wiring or solenoid. Check the wiring and solenoid at the Master Valve, and verify the specifications for the Pump Start Relay.
How to fix a frozen display on a Hunter Controller?
If your Hunter Controller has a frozen display or is showing incorrect information, it is likely due to a power surge. You can reset the controller.
What to do if the rain sensor won't shut off my Hunter XC Hybrid system?
If the rain sensor will not shut off the system on your Hunter Controller, it could be due to a defective rain sensor, the jumper was not removed when the sensor was installed, or stations have been programmed to override the sensor. Verify the operation of the rain sensor and proper wiring. Remove the jumper from the sensor terminals. Reprogram the sensor override to enable the sensor.
How to fix no display on Hunter XC Hybrid?
If there is no display on your Hunter Controller, check the batteries or AC power and correct any errors.
What to do if my Hunter Irrigation System display shows 'BATT'?
If your Hunter Irrigation System displays 'BATT', the batteries are low. Replace the batteries.
What does it mean when the display shows a station is running but the and icons are flashing on my Hunter Control Panel?
If the display shows a station is running but the and icons are flashing, the sensor is interrupting irrigation, but the station has been programmed to override the sensor. Check the Programmable Sensor Override status. Refer to "Programmable Sensor Override" on page 16.
Why isn't my rain sensor shutting off the Hunter Control Panel system?
If the rain sensor isn't shutting off the system, the cause may be a defective rain sensor, the jumper was not removed when sensor was installed, or stations have been programmed to override the sensor. Verify the rain sensor's operation and wiring, remove the jumper from the sensor terminals, and reprogram the sensor override to enable the sensor. Refer to "Programmable Sensor Override" on page 16.
What to do if automatic irrigation does not start at the start time on my Hunter Control Panel?
If automatic irrigation doesn't start at the set time and the controller isn't in System Off mode, check the following: 1. Ensure the AM/PM setting for the time of day is correct. 2. Verify the AM/PM setting for the start time is correct. 3. Make sure the start time is enabled and not set to Off. 4. Replace dead batteries. 5. Check the AC power connections if you're using a transformer.
Why is my Hunter Controller continuously watering?
If your Hunter Controller is continuously watering, it's likely because too many start times have been programmed. Only one start time is necessary to activate a program.
| Voltage | 24 VAC |
|---|---|
| Display | LCD |
| Start Times per Program | 4 start times per program |
| Enclosure | Weather-resistant |
| Cycle and Soak | Yes |
| Manual Watering | Yes |
| Zones | Up to 8 |
| Battery Backup | Yes |
| Weather Adjustment | Yes |
Details the controller's LCD display, wiring compartment, and control buttons.
Explains the controller dial positions and the optional external transformer connection.
Guides on securely mounting the controller unit to a wall surface.
Details the process of wiring irrigation valves and notes DC solenoid requirements.
Guides connecting, testing, and bypassing the weather sensor for optimal performance.
Guides setting the controller's date, time, and program start times.
Details setting station run times and selecting specific watering days.
Explains odd/even days, interval watering, and setting specific days off.
Covers enabling automatic watering, system off, and programmable rain delays.
Describes manual station watering, all-station watering, and one-touch start.
Allows custom sensor control for individual watering stations.
Covers saving/retrieving programs, test cycles, and inter-station delays.
Details digging the hole, mixing cement, and securing the mounting plate to the pole.
Guides routing wires, attaching the controller to the mounting plate, and securing it.
Details technical specifications for operation and electrical requirements.
Defines symbols used on the controller and in the manual.