Hayward AquaRite Manual: Comprehensive Troubleshooting & Guide
This manual provides detailed guidance for diagnosing and resolving issues with your Hayward AquaRite salt chlorine generator, ensuring optimal pool sanitation and enjoyment.
From power failures to error codes and low chlorine production, this resource covers essential troubleshooting steps for both beginners and experienced pool owners.
The Hayward AquaRite system represents a significant advancement in pool sanitation, utilizing salt chlorine generation to deliver consistently clean and comfortable swimming water. Unlike traditional chlorine methods, the AquaRite converts dissolved salt into chlorine, reducing harsh chemicals and minimizing eye and skin irritation;
This innovative system comprises a control panel and a salt cell, working in harmony to automate chlorine production based on your pool’s specific needs. The control panel allows for programmable settings, including chlorine output and superchlorination cycles. Understanding the interplay between these components is crucial for effective troubleshooting and maintenance.
The AquaRite is often programmable to interact with different cell models, with T-15 being the factory default. Proper cell programming and average salt level settings are vital for optimal performance.
Understanding the AquaRite Control Panel
The AquaRite control panel serves as the central hub for managing your pool’s sanitation system. Its intuitive interface displays critical information, including chlorine output percentage, cell status, and any active error codes. Familiarizing yourself with the panel’s buttons and indicators is essential for effective operation and troubleshooting.
Key functions include adjusting chlorine levels, initiating superchlorination cycles, and resetting the average salt level. The panel also provides diagnostic capabilities, alerting you to potential issues like low salt levels or no-flow conditions. Understanding error messages is crucial for pinpointing the source of problems.
Remember to verify the TurboCell model programmed in the system matches the cell installed, as incorrect settings can impact performance.
AquaRite Salt Cell Basics
The AquaRite salt cell is the heart of the system, responsible for converting dissolved salt into chlorine through electrolysis. This process provides a consistent and efficient method for sanitizing your pool water. Regular inspection of the cell is vital for maintaining optimal performance.
Scaling and calcium buildup are common issues that can reduce the cell’s effectiveness. Cleaning the cell periodically, following the manufacturer’s instructions, is crucial. The cell’s lifespan depends on usage and water chemistry, so monitoring its condition is important.
Ensure proper flow through the cell, as a no-flow condition will halt chlorine generation and potentially damage the cell.

Troubleshooting Common Issues
This section details solutions for frequently encountered problems with your Hayward AquaRite system, including power loss, display errors, and chlorine production issues.
No Power to the Control Panel
If your Hayward AquaRite control panel exhibits no signs of power, begin by checking the input voltage to ensure it matches the unit’s requirements. A lack of voltage indicates an electrical supply problem needing immediate attention from a qualified electrician.
Next, perform a fuse inspection. Carefully remove and visually examine the fuse; a blown fuse is a common cause of power failure. Replace the fuse with one of the correct amperage rating only. If the replacement fuse also blows, it suggests a more significant internal issue requiring professional service.
Remember to disconnect power before any inspection or replacement to avoid electrical shock. A thorough check of these two areas will often resolve the issue.
Checking the Input Voltage
Before troubleshooting further, verify the input voltage reaching the Hayward AquaRite control panel. Use a multimeter to measure the voltage at the designated input terminals, ensuring the power is safely disconnected during setup. Compare the measured voltage with the unit’s specified voltage requirement – typically 120V or 240V.
A significant discrepancy indicates a problem with the electrical circuit supplying power to the AquaRite system. This could stem from a tripped breaker, a faulty wiring connection, or an issue with the main power supply.
If the voltage is incorrect, consult a qualified electrician to diagnose and rectify the electrical supply issue before proceeding with any other troubleshooting steps.
Fuse Inspection and Replacement
If the input voltage is correct but the control panel remains powerless, inspect the fuse located within the unit. Always disconnect power to the AquaRite system before accessing the fuse compartment. Carefully remove the fuse and visually examine it for any signs of damage, such as a broken filament or discoloration.
If the fuse appears blown, replace it with a new fuse of the exact same amperage and type. Using an incorrect fuse can cause further damage to the system.
After replacement, restore power and check if the control panel now functions. If the fuse blows again immediately, a more serious underlying issue exists, requiring professional attention.
Display Issues & Error Codes
The AquaRite control panel utilizes a display to communicate system status and error messages. If the display is blank or malfunctioning, it indicates a potential problem requiring investigation. Error codes are crucial for pinpointing the source of the issue, offering specific guidance for resolution.
Refer to the AquaRite manual for a comprehensive list of error codes and their corresponding meanings. Understanding these codes allows for targeted troubleshooting, saving time and effort. A non-lit display could stem from power issues, a faulty control panel, or internal component failure.

Decoding AquaRite Error Messages
AquaRite error messages are the system’s way of communicating specific problems. Each code corresponds to a particular issue, ranging from low salt levels to cell malfunctions or flow problems. Accurate interpretation is vital for effective troubleshooting. The manual provides a detailed table listing each error code and its meaning.
For example, a “Low Salt” message indicates insufficient salt concentration, requiring salt addition. Other codes might point to a faulty thermistor, a no-flow condition, or a problem with the salt cell itself. Consult the manual to understand the recommended action for each error code.
Display Not Lit – Potential Causes
A blank display on your Hayward AquaRite control panel often indicates a power supply issue. First, verify the input voltage is correct and stable. Next, carefully inspect the fuse; a blown fuse is a common culprit. If the fuse appears intact, test it with a multimeter to confirm continuity. A faulty thermistor can also prevent the display from illuminating.
In some cases, a problem with the main PCB (printed circuit board) may be responsible. Before attempting any repairs, disconnect power to the unit. Consult the manual for detailed troubleshooting steps and safety precautions.
Low Chlorine Production
Insufficient chlorine output often stems from incorrect system programming. Verify the TurboCell model number (found on the cell label) matches the setting within the AquaRite control panel; T-15 is the factory default. If mismatched, adjust the programming accordingly. Additionally, an inaccurate average salt level reading can hinder chlorine generation.
Perform an average salt level reset procedure, as outlined in the manual (page 10). Ensure the salt level is within the recommended range. Finally, inspect the salt cell for scaling or calcium buildup, which reduces efficiency.
Verifying Cell Programming (T-15 Default)
The AquaRite control center is programmable to accommodate various cell models, with T-15 being the factory default setting. Crucially, confirm the TurboCell model number, clearly indicated on the label wrapped around the cell body. Compare this model number meticulously with the cell type currently programmed within the AquaRite system’s settings.
If a discrepancy exists, navigate the control panel menu to adjust the cell programming to match the actual TurboCell model. Incorrect programming will lead to suboptimal chlorine production and potentially damage the cell. Accurate cell identification is paramount for efficient operation.
Average Salt Level Reset Procedure

Resetting the average salt level is vital when salt concentration changes significantly, ensuring accurate chlorine generation. Access the control panel’s settings menu and locate the “Salt Level” or “Average Salt” option. Follow the on-screen prompts, typically requiring confirmation of the current salt level using a reliable test kit or strip.
Input the accurate reading; the AquaRite will then recalibrate its output based on this new value. Refer to page 10 of the manual for detailed, step-by-step instructions. Incorrect salt level settings can lead to insufficient sanitation or cell damage.
No Flow Condition & Chlorine Generation Halt
The AquaRite system is designed to halt chlorine generation when a “no flow” condition is detected, protecting the salt cell from damage. This safety feature activates if water isn’t moving through the cell at a sufficient rate; Inspect the pump, filter, and all plumbing connections for obstructions or blockages.
Ensure the filter is clean and backwashed if necessary. A clogged cell can also cause this issue; proceed with cell inspection and cleaning. Verify proper water flow before resuming operation to prevent overheating and potential cell failure.
Cell Inspection and Cleaning
Regular cell inspection is crucial for maintaining optimal performance. Turn off the system and isolate the cell before beginning. Visually examine the cell for scale buildup, calcium deposits, or debris. Scaling reduces efficiency and can lead to chlorine production issues; Cleaning typically involves a diluted muriatic acid solution – always follow safety precautions and manufacturer’s instructions.
Soak the cell for the recommended time, then thoroughly rinse with fresh water. Inspect again to ensure all deposits are removed. Reinstall the cell and restore power, verifying proper operation.

Component-Specific Troubleshooting
This section details troubleshooting for individual AquaRite components like the thermistor, salt cell, flow switch, and main board, aiding precise diagnosis.
Thermistor Problems & Diagnosis
The thermistor plays a crucial role in monitoring water temperature, impacting chlorine generation. A faulty thermistor can cause inaccurate readings or complete system shutdown. Diagnosing a bad thermistor involves checking the voltage across the black and red terminals; discrepancies indicate a problem.
Hayward AquaRite and SwimPure Plus models utilize different thermistors. The SwimPure Plus uses the Cantherm MF73T-1 (2Ω18A, Ø20mm), while AquaRite models may vary. Intentional removal of the thermistor can simulate a failure for testing purposes, allowing for voltage comparison and confirmation of the issue. Accurate thermistor function is vital for efficient and safe operation.
Identifying a Bad Thermistor
A failing thermistor often presents as inconsistent chlorine production or a complete halt in operation. Voltage discrepancies are a key indicator; measure the voltage across the black and red terminals and compare it to the display reading. Significant differences suggest a faulty thermistor requiring replacement.
Visual inspection may reveal physical damage, but functionality testing is crucial. Simulating a bad thermistor by temporarily removing it allows for a direct voltage comparison. Inaccurate readings during this test confirm the component’s failure. Proper diagnosis ensures correct replacement and restores optimal system performance.
Hayward Aquarite vs. SwimPure Plus Thermistor Differences (Cantherm MF73T-1)
Compatibility is key when replacing thermistors. The SwimPure Plus model historically utilized the Cantherm MF73T-1 thermistor, specified as 2Ω18A with a diameter of 20mm. However, the standard Aquarite systems may employ a different thermistor specification.
Direct substitution isn’t always possible; verifying the correct part number for your specific unit is vital. Using the wrong thermistor can lead to inaccurate temperature readings and operational issues. Always cross-reference the existing thermistor’s markings with the replacement to ensure a proper fit and function.
Salt Cell Issues
The salt cell is the heart of your AquaRite system, and maintaining its functionality is crucial. Common problems include scaling and calcium buildup, which reduce chlorine production efficiency. Regular inspection is recommended to identify any visible deposits on the cell plates.
Addressing these issues requires specific cleaning procedures, often involving a diluted muriatic acid solution. Improper cleaning can damage the cell, so follow Hayward’s guidelines carefully. Severe scaling may necessitate professional servicing or cell replacement to restore optimal performance.
Scaling and Calcium Buildup
Scaling and calcium buildup within the salt cell are frequent causes of reduced chlorine output. High calcium hardness in your pool water accelerates this process, forming deposits on the cell plates. These deposits impede the electrolytic reaction, hindering chlorine generation. Visible signs include a white, chalky residue or a decrease in cell efficiency.
Preventative measures involve maintaining proper water chemistry, particularly calcium hardness levels. Regular cell inspections can detect early stages of scaling. Addressing buildup typically requires a cleaning solution, often diluted muriatic acid, applied according to Hayward’s instructions.
Cell Cleaning Procedures
Regular cell cleaning is crucial for maintaining optimal performance of your Hayward AquaRite system. Begin by isolating the cell from the power source. Remove the cell from the plumbing and visually inspect for scale buildup. Prepare a cleaning solution using a 5:1 water-to-muriatic acid ratio – always add acid to water, never the reverse!
Submerge the cell in the solution, ensuring complete coverage, and allow it to soak for 15-20 minutes. Avoid prolonged soaking. Rinse thoroughly with clean water and inspect for remaining scale. Repeat if necessary. Reinstall the cleaned cell and restore power.

Advanced Troubleshooting
Delve into complex issues like main board diagnostics, flow switch malfunctions, and wiring corrosion. These steps require a deeper understanding of the AquaRite system’s components.
Main Board Diagnostics
Troubleshooting the main PCB demands careful examination and a systematic approach. Begin by visually inspecting the board for any signs of physical damage, such as burnt components or swollen capacitors. A bad thermistor can mimic main board failures; ensure it’s functioning correctly before proceeding.
Utilize a multimeter to test voltage levels at key points on the board, comparing readings to the schematic diagram found in the service manual. Discrepancies indicate potential component failures. Remember, the SwimPure Plus models utilized a different thermistor (Cantherm MF73T-1) than standard AquaRite units, impacting diagnostic procedures.
If you’re uncomfortable with electrical testing, consult a qualified pool technician to avoid further damage or safety hazards.
Troubleshooting the Main PCB
Begin by powering down the AquaRite system and disconnecting it from the electrical supply for safety. Visually inspect the PCB for any obvious signs of damage – burnt spots, bulging capacitors, or corroded traces. Use a soft brush to remove any debris.
Employ a multimeter to check for proper voltage levels at designated test points, referencing the unit’s schematic. Pay close attention to the thermistor circuit, as a faulty thermistor can present as a PCB issue. Verify the input and output voltages to the cell connector.

If issues persist, consider professional assistance, as PCB repair requires specialized skills and equipment.
Flow Switch Malfunctions
A malfunctioning flow switch often triggers a “No Flow” condition, halting chlorine generation. Begin by visually inspecting the switch for physical damage or obstructions. Ensure proper water flow is present – a clogged filter or closed valve can mimic a switch failure.
Using a multimeter, test the switch’s continuity. It should show continuity when water is flowing and open when flow stops. If the switch fails this test, replacement is necessary.
Carefully examine wiring connections to the flow switch for corrosion or looseness. A secure connection is vital for accurate operation. Remember to power down the system before any electrical testing.
Testing the Flow Switch Functionality
To accurately test the flow switch, disconnect the wires and use a multimeter set to continuity. With no flow, the switch should display an open circuit (no continuity). Initiate water flow – typically by running the pump – and observe the multimeter.
The switch should now exhibit continuity, indicating a closed circuit. If this doesn’t occur, the switch is likely faulty and requires replacement. Ensure the pump is primed and delivering adequate flow during testing.
Always de-energize the system before disconnecting or reconnecting any wiring. A properly functioning flow switch is crucial for safe and effective chlorine generation.
Wiring and Connection Checks
Thoroughly inspect all wiring connections to the AquaRite control panel, salt cell, and flow switch. Look for signs of corrosion, loose connections, or damaged wires. Corrosion, especially in outdoor environments, can impede electrical conductivity and cause malfunctions.
Carefully tighten any loose connections and replace any corroded or damaged wiring. Ensure all connections are secure and properly insulated. Verify the grounding connection is intact, as a poor ground can lead to electrical issues.
De-energize the system before performing any wiring checks. A visual inspection and careful tightening can often resolve intermittent operational problems.

Inspecting Wiring for Corrosion
Corrosion on wiring is a common issue, particularly in pool equipment areas exposed to moisture and chemicals. Carefully examine all wiring connected to the AquaRite control panel, salt cell, and flow switch for any signs of rust, oxidation, or green/white deposits.
Pay close attention to connections and terminals. Use a small wire brush or sandpaper to gently remove any corrosion found. After cleaning, apply a dielectric grease to prevent future corrosion and ensure a solid electrical connection.
Severely corroded wires should be replaced entirely to maintain system safety and reliability.

Maintenance & Settings
Regular maintenance and proper settings are crucial for optimal performance. Adjust salt levels, utilize superchlorination, and prepare your system for winter to maximize efficiency.
Adjusting Salt Level Settings
Maintaining the correct salt level is paramount for efficient chlorine generation. The AquaRite system requires a specific salt concentration, typically between 2700-3400 ppm, for optimal performance. Incorrect levels can lead to reduced chlorine output or cell damage.
To adjust settings, access the control panel and navigate to the salt level configuration. If the reading is inaccurate, you may need to “Reset the Average Salt Level” as outlined in the manual (page 10). Regularly test your pool water’s salt content using a reliable test kit or strip to ensure it remains within the recommended range. Consistent monitoring prevents operational issues.
Remember to always follow the manufacturer’s instructions when adding or adjusting salt levels in your pool.
Superchlorination Mode Explained
Superchlorination, or shock mode, temporarily increases the chlorine production output of your Hayward AquaRite system. This feature is designed to quickly eliminate algae blooms, bacteria, and contaminants after heavy pool use, storms, or when water clarity is compromised.
Activating superchlorination through the control panel boosts the cell’s output to 100% for a defined period, typically 24-72 hours. After this period, the system automatically reverts to its programmed chlorine generation level. It’s crucial to monitor water chemistry during and after superchlorination to ensure proper balance.
Always follow the manual’s guidelines for safe and effective superchlorination practices.
Winterizing the AquaRite System
Proper winterization is crucial to protect your Hayward AquaRite system from freeze damage during colder months. Begin by turning off the power to the unit at the circuit breaker. Then, drain all water from the cell and associated plumbing lines to prevent cracking from ice expansion.
Disconnect the cell from the plumbing and store it in a dry, frost-free location. Clean the cell thoroughly before storage to remove any scale or debris. Consider removing the thermistor and storing it with the cell for added protection.
Consult the manual for specific winterizing instructions tailored to your AquaRite model.

Resources & Support
Hayward offers extensive support, including customer service contacts, online manuals, and helpful video tutorials for AquaRite systems and related pool equipment.
Hayward Customer Support Contact Information
For direct assistance with your Hayward AquaRite system, reaching out to their customer support is crucial. You can connect with Hayward through their official website, Hayward.com, navigating to the support page for comprehensive assistance. Alternatively, direct phone support is available at 908.355.7995.
Their knowledgeable team can guide you through troubleshooting steps, answer specific questions about error codes, or provide clarification on system settings. Remember to have your AquaRite model number and any relevant error messages readily available when contacting support to expedite the process. Hayward’s commitment to customer satisfaction ensures a smooth experience resolving any issues you may encounter.
Accessing Online Manuals & Documentation
Hayward provides a wealth of resources online to support your AquaRite system. ManualsLib hosts downloadable PDF versions of the AquaRite troubleshooting manual and other related documentation, offering convenient access to detailed information. Hayward.com itself features a dedicated support section with digital manuals, frequently asked questions, and helpful guides.
You can find specific documents like the New 390 Manual and AquaPure/PureLink Troubleshooting Manuals readily available for download. These resources cover everything from initial setup to advanced diagnostics, empowering you to maintain your system effectively. Utilizing these online tools ensures you have the latest information at your fingertips.
Relevant Video Tutorials (AquaRite & Similar Systems)
Visual learners will benefit from the numerous video tutorials available online. YouTube hosts helpful guides, including troubleshooting for the Ecomatic ESC Salt system (http://youtu.be/3R4uWjb-3oI) and detailed explanations of the Hayward AquaRite salt cell (http://youtu.be/5NiHio0zsD0).
Additionally, tutorials for similar systems like the Jandy Aquapure 1400 can provide valuable insights. These videos demonstrate procedures like cell inspection, cleaning, and diagnosing common issues. Leveraging these visual aids complements the written manuals, offering a more comprehensive understanding of your AquaRite system and its maintenance requirements.