When several zones stop working at the same time, the cause is usually something those zones share rather than several separate failures.
Common wires, the controller, power, a master valve, a pump or the water supply can all affect more than one zone.
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Quick Answer
Multiple sprinkler zones not working usually points to a shared problem: a broken common wire, a controller or power problem, a master valve or pump issue, or a closed water supply. If the failed zones share a wire path, a cut or corroded wire is a strong possibility.
What You May Be Seeing
- Several zones don’t run
- Zones in one area of the yard stopped together
- Zones stopped after digging
- The controller shows zones running but no water
- Some zones work and others don’t
Zones often share a common wire, a wire path through the yard, the controller, a master valve and the water supply. When one of those fails, several zones fail together.
The First Question to Ask
Do the failed zones share a location or wire path?
Zones in the same area failing together often share a wire run or common wire. Random zones failing, or all zones, point more to the controller, power or water supply.
If the Zones Are in the Same Area
A shared wire problem is likely.
Common causes include:
- Broken common wire: shared by those valves
- Cut wire bundle: from digging or construction
- Corroded splices: in a shared valve box
If Zones Are Scattered or All Are Affected
A system-level cause is likely.
Common causes include:
- Controller problem: outputs or settings
- Power or transformer: weak or failing
- Master valve or pump: not opening or starting
- Water supply: shutoff closed
After Digging or Landscaping
Several zones failing after yard work strongly suggests a cut wire bundle or common wire.
After a Storm
Surges can damage the controller or several solenoids.
Zones Show Running but No Water
If the controller runs zones but no water flows, check the water supply, master valve and pump.
What You Can Check Yourself
- Note which zones work and which don’t
- Check controller power and settings
- Make sure the irrigation water supply is open
- Note whether digging or a storm happened recently
What a Technician May Test
- Common-wire continuity
- Station output tests
- Solenoid tests
- Master valve and pump relay checks
- Wire tracing
Most Common Causes
- Broken common wire
- Cut wire bundle
- Controller or power problem
- Master valve or pump problem
- Closed water supply
Repair or Replace?
Most multiple-zone failures are repaired by fixing wiring, the master valve or the controller. Replacing many valves is rarely needed.
When to Call a Sprinkler Professional
Call a professional if:
- Several zones failed together
- You suspect cut wires
- The controller shows zones running with no water
- Your system uses a pump
Find a sprinkler repair pro or read our emergency shutoff guide if water won’t stop.
Related Sprinkler Problems
- How Do I Know If My Sprinkler Common Wire Is Bad?
- Why Won’t My Sprinkler System Turn On?
- Why Isn’t My Sprinkler Controller Working?
- Why Won’t My Sprinkler Zone Turn On?
- How Do I Know If My Sprinkler Solenoid Is Bad?
Related Repairs
Typical Repair Cost
What you pay depends on the cause, the parts and your area. See our Sprinkler Wire Repair Cost Guide for typical ranges. Prices vary, and only an on-site diagnosis can give you an actual quote.
Frequently Asked Questions
Why would several sprinkler zones stop at once?
A shared part has likely failed, such as the common wire, controller, power, master valve or water supply.
Can one wire stop several zones?
Yes. A broken common wire can stop every valve that shares it.
Do I need a new controller if multiple zones fail?
Not necessarily. Wiring and the master valve should be checked first.
Can digging cut my sprinkler wires?
Yes. Wires often run along pipe routes and can be cut during yard work.
Bottom Line
When several zones fail together, look for what they share: wiring, the controller, power or the water supply.
A technician can test the common wire, controller outputs and valves to find the shared failure.
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