Septic help in Central Florida
ATU Alarm Repair in Orlando, FL
Tell us what is happening. We will find the cause, explain your options, and handle ATU alarm repair with care.
65+ years serving Central Florida
Licensed local service team
Fast scheduling and clear communication
Service Overview
ATU Alarm Repair With Clear Answers Before Work Begins
An ATU alarm is your septic system's way of asking for help. Whether the light is flashing, the buzzer won't quit, or the panel shows an error you've never seen before, something in your aerobic treatment unit needs attention — and the sooner it gets it, the better. Ignoring a triggered ATU alarm can turn a minor fix into a costly repair, and in some cases, it can put your household or property out of compliance with Orange County or Osceola County requirements.
Lapin Services has been the family-owned team in septic care across Central Florida since 1958. Our licensed technicians know ATU systems inside and out — from the aerator and float switches to the spray heads and control panels. When you call us, you get a real diagnosis, not a guess. We'll tell you exactly what triggered the alarm, fix it right, and make sure your system is back in compliance before we leave.
Problems We Solve
Common ATU Alarm Repair Problems We Fix
You do not have to diagnose the problem yourself. These are common issues we help confirm, explain, and repair.
Aerator or Air Pump Failure
The aerator is the heart of your ATU — it pumps oxygen into the tank to support the bacterial treatment process. When the aerator fails or runs sluggishly, the system can't treat wastewater properly and the alarm trips. This is one of the most common ATU alarm causes we see across Central Florida, and it's usually a straightforward repair or replacement.
Float Switch Malfunction
Float switches monitor liquid levels inside your ATU's chambers. A stuck, corroded, or tangled float switch can send a false high-level signal and trigger the alarm — even when the tank isn't actually full. Our technicians test and replace float switches as part of a thorough alarm diagnosis.
High Water Level in the Tank
If your ATU is genuinely holding too much water, the alarm is doing exactly what it's designed to do. High water levels can result from heavy rainfall, a clogged spray field, a failing pump, or unusual household water use. Left unaddressed, a high-water condition can cause sewage backup or drainfield damage.
Control Panel or Wiring Issues
The control panel is your ATU's brain. Corrosion, power surges, moisture intrusion, or a failing relay can cause the alarm to trigger even when the system itself is functioning. We inspect the full electrical side of your ATU — not just the mechanical components — to make sure nothing is missed.
Clogged or Broken Spray Heads
ATU spray heads distribute treated effluent over the drainfield. When they clog, break, or become misaligned, treated water backs up into the system and can trigger a high-level alarm. We inspect and clear or replace spray heads as part of a complete ATU alarm service call.
When to Call
Signs Your Septic System Needs Professional Attention
If you notice any of these signs, call Lapin. We will find the cause and explain what needs to happen next.
The Alarm Light Is On or Flashing
Any active alarm light on your ATU control panel — whether it's a steady glow or a flashing indicator — means your system has detected a condition it can't resolve on its own. Don't reset it without a diagnosis. Call us so we can find out what triggered it before the problem gets worse.
The Alarm Buzzer Keeps Going Off
An audible ATU alarm is hard to ignore — and that's by design. If the buzzer is sounding repeatedly or won't stop, your system is signaling an active issue. Silencing the alarm without addressing the root cause only delays the inevitable and can put your system at risk of failure.
Sewage Odors Near the Tank or Drainfield
Foul odors near your ATU, spray heads, or drainfield area often mean the system isn't treating wastewater correctly. This can accompany an alarm condition or precede one — either way, it's a sign something needs a professional look before it becomes a much bigger problem.
Spray Heads Not Spraying — or Spraying Constantly
Your ATU spray heads should cycle on a regular schedule. If they're not activating at all, or if they're running nonstop, the pump or timer in your system may be failing. Both conditions can trigger alarms and cause compliance issues with county health requirements.
You Received a Compliance Notice
Orange County, Osceola County, and other Central Florida municipalities require ATU systems to remain in proper working order. If you've received a notice of non-compliance — or if your annual inspection turned up an alarm condition — Lapin Services can repair the issue and coordinate directly with county inspectors on your behalf.
Our Process
What to Expect From Your ATU Alarm Repair Visit
Tell us what is happening. We arrive prepared, explain the work clearly, and give clear pricing before work begins.
Step 1
Tell Us What Is Happening
Call or request service. You do not have to know exactly what failed; describe what you see, smell, hear, or need done.
Step 2
We Find the Cause
A Lapin technician or crew checks the issue, reviews the project, and explains what needs to be done in plain language.
Step 3
You Approve the Work
You get clear pricing and options before work begins, so you can make a confident decision.
Step 4
We Handle It With Care
We complete the approved work, respect your home, business, or jobsite, and keep you informed.
Step 5
We Stand Behind the Job
Before we leave, we confirm the work, answer questions, and make sure you know what to expect next.
Why Lapin
Why Central Florida Chooses Lapin for ATU Alarm Repair
Our name is on every job. We respect your time, budget, property, and trust.
65+ Years of Septic Expertise
Lapin has served Central Florida since 1958. Our name is on every job, and we do the work in a way we can stand behind.
Clear Communication
We explain what we find, what it means, and what your options are before work begins.
Respect for Your Property
We protect the home, business, property, or jobsite and treat people the way we would want to be treated.
The Right Team for the Work
We handle plumbing, septic, drains, sewer, underground utilities, commercial service, and serious project work.
Care When It Matters
Every call affects a family, tenant, customer, business, property, or project. We do not take that lightly.
Related Services
Related Services
FAQs
ATU Alarm Repair FAQs
Why is my ATU alarm going off?
ATU alarms trigger when the system detects a condition outside its normal operating range — most commonly a high water level, aerator failure, float switch malfunction, or a problem with the control panel. Some alarms indicate an urgent issue; others may be caused by something minor like a power blip or a stuck float. The safest approach is to call a licensed technician to diagnose the cause before silencing or resetting the alarm.
Can I just reset the ATU alarm myself?
Most ATU control panels have a silence or reset button, and while it may stop the noise temporarily, it doesn’t fix the underlying problem. If the alarm was triggered by a genuine system issue — a failing aerator, a high water level, a pump not running — resetting it without a repair just means the alarm will come back. It can also put you out of compliance with county regulations. We recommend calling us first so we can tell you what you’re dealing with.
How quickly can Lapin Services respond to an ATU alarm?
We’re available 24 hours a day, 7 days a week for septic emergencies across Central Florida. For urgent alarm situations, call us directly at (407) 326-3367 and we’ll dispatch a technician as quickly as possible. Response times vary by location and time of day, but we prioritize active alarm calls.
Will a triggered ATU alarm put me out of compliance?
It can. In Orange County, Osceola County, and throughout Central Florida, ATU systems are subject to county health regulations and must be kept in proper working order. An unaddressed alarm condition — especially one involving improper treatment or system failure — can result in a compliance notice. Lapin Services handles permit and inspection coordination directly, so we can help you get back into compliance quickly.
How much does ATU alarm repair cost in Orlando?
The cost depends on what’s causing the alarm. A float switch reset or minor panel issue is far less involved than replacing a failed aerator or pump. We provide an upfront estimate after diagnosing your system — you’ll know exactly what the repair costs before we begin any work. Call us at (407) 326-3367 to request service.
My ATU alarm went off after heavy rain — is that normal?
Heavy rainfall can temporarily raise groundwater levels and push excess water into your ATU system, triggering a high-water alarm. In some cases, the system recovers on its own once water levels normalize. However, if the alarm persists after the rain passes, or if this happens frequently after storms, it may indicate a drainage or system issue that needs to be addressed. It’s worth having a technician take a look.
Do you service all ATU brands and models?
Yes. Our licensed technicians work on all major aerobic treatment unit brands and configurations common to Central Florida, including Norweco, Jet, Clearstream, Infiltrator, and others. We carry replacement parts for the most common components and can source specialty parts for less common systems.
What's the difference between a septic tank and an ATU?
A conventional septic tank uses gravity and natural bacteria to separate and partially treat wastewater. An aerobic treatment unit (ATU) goes a step further — it actively pumps oxygen into the system to accelerate bacterial breakdown, producing a higher-quality treated effluent. ATUs are more complex, require regular maintenance, and are monitored by county health departments. They’re common in areas where soil conditions don’t support a conventional drainfield system.
Schedule Service
Tell Us What Is Happening
Call Lapin or request service. We will get the right team moving, explain your options, and handle the work with care.