
Irrigation Controller Repair
Phoenix & Scottsdale AZ
Timer failures, wiring faults, error codes, smart controller issues β Arizona Irrigation Repair LLC diagnoses and fixes all irrigation controller problems in Phoenix Metro. Same-day service available. Licensed ROC #319237.

Irrigation Controller Problems We Fix
From basic timer failures to complex smart controller connectivity issues, our technicians are trained on all major irrigation controller platforms used in Phoenix Metro homes and commercial properties.
Controller Won't Turn On
Blank display or no power. Can be caused by a tripped breaker, failed transformer, blown fuse, or damaged power supply. We diagnose and restore power without unnecessary part replacement.
Zones Won't Run on Schedule
Programmed zones skip or fail to activate. Often caused by corrupted programming, failed zone output, or wiring faults between the controller and valve solenoids. We trace the fault and repair it.
Error Codes & Fault Alerts
Modern controllers display fault codes for wiring shorts, open circuits, and solenoid failures. We interpret error codes for all major brands and resolve the underlying electrical fault.
Wiring Faults & Short Circuits
Damaged or corroded wiring between the controller and valve solenoids causes zone failures and error codes. We trace, repair, and weatherproof all wiring connections.
Wi-Fi & Smart Controller Issues
Rachio, Hunter Hydrawise, and Rain Bird WiFi controllers can lose connectivity, fail to sync weather data, or lose programming after updates. We configure and troubleshoot all smart controller platforms.
Lightning & Surge Damage
Arizona monsoon storms frequently cause power surges that destroy controller circuit boards and burn out solenoid wiring. We assess damage, replace affected components, and install surge protection.
Upgrade to a Smart Irrigation Controller
If your controller is more than 10 years old or has experienced repeated failures, upgrading to a smart Wi-Fi controller is often the most cost-effective solution. Modern smart controllers save 30β50% on water bills through weather-based scheduling and remote access.
- Rachio 3 β best-in-class weather intelligence
- Hunter Hydrawise β professional-grade with flow monitoring
- Rain Bird WiFi β reliable and widely compatible
- Remote control from your smartphone anywhere
- Automatic weather-based schedule adjustments
- Leak detection alerts and water usage reports

Our Controller Repair Process
Diagnose
Test each zone output, check wiring continuity, and read error codes to identify the exact fault in the controller or wiring.
Trace & Repair
Follow wiring from controller to valve boxes, repair damaged connections, and replace failed components.
Program & Configure
Restore or optimize watering schedules based on your landscape, season, and local water restrictions.
Test All Zones
Run every zone to confirm proper operation, verify run times, and check for any remaining faults.
Irrigation Controller Repair Pricing
Transparent pricing with free estimates. No surprise charges.
Controller Diagnosis
$75 service call
Credited toward repair cost
Wiring Repair
$75β$150
Per fault, includes tracing & repair
Programming & Reset
$65β$95
Schedule optimization included
Controller Replacement
$150β$400
Includes unit, installation & programming
Smart Controller Upgrade
$225β$450
Rachio/Hunter/Rain Bird + installation
Surge Protector Install
$45β$75
Protects against lightning damage
* Prices are estimates. Final cost depends on controller brand, wiring complexity, and parts required. Free estimate provided before work begins.
Related Irrigation Services
Core Services
Irrigation Controller Repair FAQs
How do I know if my irrigation controller needs repair?
Common signs include zones that won't run on schedule, error codes on the display, zones that run out of sequence, the controller not responding to programming, a blank or flickering display, and zones that run even when the controller is turned off. If you're experiencing any of these in Phoenix Metro, call Arizona Irrigation Repair LLC at (480) 319-1977.
How much does irrigation controller repair cost in Phoenix?
Irrigation controller repair in Phoenix typically costs $75β$200 depending on the issue. Wiring diagnosis and repair runs $75β$150, programming and reset services are $65β$95, and full controller replacement ranges from $150β$400 including the unit and installation. We provide free estimates before starting any work.
Can you repair my controller same day in Phoenix Metro?
Yes. Arizona Irrigation Repair LLC offers same-day irrigation controller repair throughout Phoenix, Scottsdale, Gilbert, Mesa, Chandler, Tempe, and surrounding areas. Call (480) 319-1977 for availability. Most controller issues are diagnosed and resolved in a single visit.
Do you repair Rain Bird, Hunter, and Orbit controllers?
Yes. We repair and replace all major irrigation controller brands including Rain Bird, Hunter, Orbit, Toro, Irritrol, Rachio, and RainMachine. We also upgrade older analog timers to modern Wi-Fi smart controllers for remote access and weather-based scheduling.
What causes irrigation controllers to fail in Arizona?
Arizona's monsoon season brings frequent lightning and power surges that damage controller circuit boards and solenoid wiring. Extreme heat (115Β°F+) accelerates component degradation. UV exposure cracks outdoor controller housings. Rodents chew wiring in valve boxes. Power outages reset programming. Regular maintenance and surge protection prevent most controller failures.
Should I repair or replace my old irrigation controller?
If your controller is more than 10 years old and experiencing repeated failures, replacement is usually more cost-effective than repeated repairs. Modern smart controllers (Rachio, Hunter Hydrawise, Rain Bird WiFi) pay for themselves in 1β2 seasons through water savings of 30β50%. We'll give you an honest assessment β repair if it makes sense, replace if it doesn't.
Irrigation Controller Repair Throughout Phoenix Metro
Same-day irrigation controller repair service available throughout the Phoenix Metro area.
Irrigation Controller Not Working?
Call Arizona Irrigation Repair LLC now for same-day controller repair in Phoenix Metro. Licensed ROC #319237. Free estimates. Family-owned since 1995.
Related Services
Irrigation Valve Repair
Fix stuck valves, leaking diaphragms, and solenoid failures throughout Phoenix Metro.
Learn MoreSmart Irrigation Controllers
Upgrade to Wi-Fi smart controllers for weather-based watering and 30β50% water savings.
Learn MoreSprinkler Maintenance
Prevent controller failures with our comprehensive seasonal maintenance plans.
Learn MoreIrrigation Controller Repair Resources & Related Services
Explore our full range of irrigation services, expert guides, and service areas across the Phoenix Metro.
All Services
Guides & Resources
- Common Sprinkler Problems in Arizona
- Signs Your Irrigation System Needs Repair
- Drip Irrigation vs. Sprinklers in Arizona
- Smart Irrigation Controllers: Benefits & Savings
- Water Conservation Tips for Arizona Homeowners
- How to Winterize Your Sprinkler System
- How to Detect Hidden Irrigation Leaks
- How to Adjust Sprinkler Heads
- Arizona Watering Calculator
- Irrigation Troubleshooting Wizard
- All Blog Articles
Arizona Water Resources
Arizona Department of Water Resources β azwater.govService Areas
- Scottsdale Irrigation Repair
- Phoenix Irrigation Repair
- Mesa Irrigation Repair
- Gilbert Irrigation Repair
- Chandler Irrigation Repair
- Tempe Irrigation Repair
- Glendale Irrigation Repair
- Peoria Irrigation Repair
- Fountain Hills Irrigation Repair
- Paradise Valley Irrigation Repair
- Cave Creek Irrigation Repair
- Carefree Irrigation Repair
- View All Service Areas
- Arizona Irrigation Repair LLC β Home
