When a zone fails in July heat, homeowners often say “the sprinklers are broken.” That is a start, but a matched irrigation tech moves faster when you separate head, valve, and controller symptoms. A cracked spray head is a different problem from a valve that never opens, and neither is the same as a blank clock after a power blip.
Orlando West Irrigation is a matching service. We do not claim a license number on this page, and we do not sell a particular controller brand. This guide gives you the vocabulary and the simple checks; the tech confirms the diagnosis.
How does a sprinkler system fit together?
Most west Orlando residential systems have the same three layers. The controller (the clock or Wi-Fi panel, often in the garage) sends a low-voltage signal down a wire to each zone. Each zone has a valve, usually buried in a green or purple valve box, with a solenoid that opens when the signal arrives and lets water into that zone’s pipe. Along the pipe sit the heads: pop-up sprays for small areas and rotors for larger ones. Many systems also have a rain sensor wired to the controller.
UF/IFAS Extension’s rain-sensor publication explains that when a sensor trips, it interrupts the controller’s common wire, which disables the solenoid valves until the sensor dries out. So a sensor problem can look like “every zone is dead,” even though the heads and valves are fine. Keep that in mind as you go through the checks below.
What are the signs of a broken sprinkler head?
Think head when water reaches the zone but coverage is wrong:
- One head stuck down, tilted, or snapped off at the riser.
- Water pooling or bubbling around the base of a head while it runs.
- A head that only pops up partway, or not at all.
- Weak spray from one head, with no pooling around it.
- Mist so fine it drifts away before it reaches the turf edge.
- A dry ring around a rotor that used to throw farther.
- Grass grown over a head after a wet season.
UF/IFAS Extension in Pasco County has a practical sprinkler tune-up guide that maps these symptoms: pooling around the base with weak spray often points to a leaking seal; weak or absent spray without pooling points to a clogged nozzle or filter; a geyser means a missing nozzle; and a broken head or pipe can leave the other heads on that zone with low pressure. Heads also get knocked out of line by mowers and feet, and UF/IFAS’s irrigation system maintenance page notes heads often need raising a couple of times a year as turf grows.
Adjustments and nozzle swaps are common here; see irrigation maintenance and sprinkler repair.
What are the signs of a bad sprinkler valve?
Think valve when the zone’s behavior is all-or-nothing:
- The controller calls for the zone and nothing happens anywhere on that zone.
- The zone stays on when it should shut off, or keeps weeping after it closes.
- Every head on one zone is dead while neighboring zones work normally.
- Opening the valve’s manual bleed makes the zone run when the controller cannot.
- A soggy area or standing water near the valve box.
You do not need to open the box yourself for the form. Describing “zone 3 never starts; zones 1 and 2 sound normal” is enough for triage. If the zone runs when you use the manual bleed but not from the controller, mention that specifically; it helps separate a solenoid or wiring problem from a mechanical one.
What are the signs of a controller problem?
Think controller / timer when the schedule itself is wrong:
- Display blank, flashing, or showing the wrong day or time after a storm or outage.
- Manual runs work; automatic programs do not.
- Several zones skip on the same day, not just one.
- The rain-sensor indicator is on days after the last storm.
- A Wi-Fi or app controller reports a run that never happened in the yard.
That is controller and timer territory. If Florida storms are part of the story, pair it with our rain sensor myths guide.
How can I tell which one it is in five minutes?
A quick sequence narrows things down without tools:
- Check the controller first. Is the display on? Is the date and time right? Is it set to run, not off or rain-delay? Is a rain-sensor indicator showing?
- Run the problem zone manually from the controller. If nothing happens, try another zone. If no zones run, suspect the controller, power, or the rain sensor. If only that zone fails, suspect its valve or wiring.
- If the zone runs, walk it. Look for heads that do not pop up, pooling at a base, weak spray, or spray blocked by plants. That points to heads, nozzles, or a leak on that line.
- Note what changed recently. New sod, new beds, a fence, a power outage, or a landscaper edging are all useful clues.
Stop if you see wiring damage, a flooded valve box, or anything you are not comfortable with. The point is to describe the symptom, not to repair it yourself.
Why does Central Florida heat matter?
The Florida Climate Center’s 1991–2020 normals for Orlando show average daily highs of about 92°F in July and above 90°F from June through August, with the year’s heaviest rain from June through September. Plastic heads and controllers in hot garages or outdoor enclosures take a beating, and turf stress shows quickly when a zone misses two or three cycles. Urgency is practical: note how long the patch has been dry and whether HOA photos are involved. We will not invent medical or legal threats.
What should I put in the match request?
On the get a quote form:
- City or ZIP. We cover Winter Garden, Horizon West (including Hamlin and Waterleigh), Clermont, and nearby villages.
- The service type closest to the symptom: Sprinkler repair, Dry zone, Controller, Seasonal start-stop, or Not sure.
- Which zones, what you heard and saw, and whether manual runs differ from automatic ones.
- What you already tried, such as resetting the clock or cleaning a nozzle.
- Access notes (gate, dogs, locked controller panel).
No street address is required on the first submit. The matched tech confirms scope, price, and schedule. If an HOA notice is involved, see HOA dry zones for what to include.
What is outside this service?
- Lawn mowing or disease-only problems: soft-refer to Lawn Care.
- Vacant home watch: SafeNest.
- Soft Wash, Pool, and Pest: separate services.
- New system design and permits: not the default request here; ask the matched tech if it comes up.
Request a local irrigation tech or browse all service areas.
Sources
- UF/IFAS: Residential Irrigation System Rainfall Shutoff Devices, or Rain Sensors (AE221)
- UF/IFAS Extension Pasco County: Sprinkler tune-up!
- UF/IFAS Gardening Solutions: Irrigation System Maintenance
- UF/IFAS: Frequency of Residential Irrigation Maintenance Problems (AE472)
- Florida Climate Center: Orlando 1991–2020 normals
Questions from this guide
- Broken head vs bad valve vs dead controller?
- Different fixes. Tell us what you already tried.
- Why is one zone dry after the system ran?
- Could be a head, a valve or a controller. The tech confirms.
- Do rain sensors stop a Florida afternoon storm from flooding the yard?
- A working sensor should skip a cycle after rain. The tech checks it.